N S W E
Wildlife Expeditions

Wildlife of
Chechenskaya Respublika

From Terek lowlands to misty Greater Caucasus forests, Chechnya packs steppe raptors, mountain ungulates, and rare Caucasus endemics into a compact wildscape.
3 Species
17,300 km² Land Area
Overview

About Chechenskaya Respublika

The Chechen Republic is an ecological crossroads in the North Caucasus. The Terek River basin's warm lowlands rise quickly into forested slopes and the high Greater Caucasus, so many wildlife communities are squeezed into a small area. Open-country and river animals occur in the north and foothills, while classic Caucasus mountain life appears to the south. Key habitats include riparian corridors along the Terek and tributaries, important for waterbirds, frogs, and small mammals, plus steppe and meadow areas that favor raptors and ground-nesting birds. Higher up there are mixed broadleaf forests (oak, beech, hornbeam), small conifer patches, subalpine meadows, and rocky crags. These mountain zones are safe places for Caucasus specialist species and allow seasonal up-and-down moves. The close mix of river lowlands, wooded slopes, and narrow gorges lets one route show many different habitats and animal signs.

Physical Features

Geography

Chechen Republic shifts from semi-arid Terek lowlands in the north to forested foothills and Greater Caucasus near Georgia. Quick climate and elevation changes form habitat zones: northern steppe and river wetlands, central broadleaf and mixed montane forests, and southern subalpine-alpine meadows and rocky mountains. Major rivers, especially the Terek, are key routes for movement, breeding, and river-edge shelter.

17,300 km² Land Area
Among Russia's smaller federal subjects (roughly in the ~70th place range by area out of 80+ regions). Size Rank
Russia Country
Federal_subject Type
Elevation Range

~50 m in the northern lowlands to ~4,492 m (Tebulosmta, highest point on/near the Chechnya-Dagestan border), creating pronounced habitat zonation.

Coastline

None (landlocked; no ocean coastline).

Key Landscapes

Terek River basin and associated floodplains/riparian corridors (core lowland habitat and migration/movement routes) Sunzha River valley (important tributary corridor through the central plains/foothills) Argun River canyon and mountain river systems (gorge, cliff, and riparian forest habitats) Northern lowland steppe and dry plains (open-country habitats, patchy wetlands and shelterbelts along rivers) Foothill zone with broadleaf and mixed forests (transitional belt supporting high biodiversity) Greater Caucasus Mountains in the south (montane forests, subalpine scrub, alpine meadows, rocky ridgelines)
Parks & Reserves

Protected Areas

The Chechen Republic’s protected areas are mainly regional: state nature sanctuaries, nature monuments, and large landscape and cultural-and-natural territories in the Greater Caucasus foothills and mountains. Protection focuses on forested and alpine south areas (Argun, Sharoy, Itum-Kale), which hold high biodiversity and key habitat for large mammals and raptors. No federal national park or strict nature reserve exists.

Protected Coverage

≈14%

State & Provincial Parks

Argun Gorge landscape protection zone (within the Argun museum-reserve system)

Part of a larger protected complex; gorge segment commonly referenced at ~100-300 km² depending on included side valleys

Steep gorges with mixed mountain forests and cliffs that concentrate raptor nesting sites and provide cover for large mammals; one of the best areas in the republic for seeing high-mountain birds and tracks/sign of carnivores.

Bearded vulture / lammergeier (Gypaetus barbatus) Griffon vulture (Gyps fulvus) Caucasian chamois (Rupicapra rupicapra caucasica) Brown bear (Ursus arctos) Eurasian sparrowhawk (Accipiter nisus)

Kezenoy-Am mountain-lake basin protected landscape (Lake Kezenoy-Am and surrounds)

Protected basin/landscape around the lake; typically referenced as a compact highland site (tens of km²), with broader buffer landscapes extending beyond

High-elevation lake-and-meadow landscapes with surrounding slopes used by raptors and upland fauna; notable for scenic wildlife viewing (especially birds of prey) and as an alpine freshwater system in the eastern North Caucasus.

Golden eagle (Aquila chrysaetos) Bearded vulture / lammergeier (Gypaetus barbatus) Caucasian chamois (Rupicapra rupicapra caucasica) Eurasian otter (Lutra lutra) Caucasian snow vole (Chionomys spp.)

Mountain forest protected tracts of the Shatoy-Itum-Kale belt (regional forest-nature protection sites)

Multiple forest tracts; combined area commonly described in the range of many tens to a few hundred km²

Mid- to upper-elevation forests (beech, oak, hornbeam and mixed stands) that support ungulates and provide denning habitat for carnivores; valuable for maintaining forest continuity along the southern ranges.

Red deer (Cervus elaphus) Roe deer (Capreolus capreolus) Brown bear (Ursus arctos) Gray wolf (Canis lupus) Northern goshawk (Accipiter gentilis)

Wildlife Refuges

Argunsky State Nature Sanctuary

Often reported as a large sanctuary (order-of-magnitude: ~1,000 km²), depending on current boundaries

A key mountain sanctuary intended to conserve large mammals and raptors in the Argun basin and adjacent ridges; functions as a wildlife refuge and corridor area where hunting and resource use are restricted.

Brown bear (Ursus arctos) Gray wolf (Canis lupus) Caucasian chamois (Rupicapra rupicapra caucasica) Golden eagle (Aquila chrysaetos) Eurasian lynx (Lynx lynx)

Terek-Sunzha State Nature Sanctuary (Tersko-Sunzhensky)

Area and boundaries are not consistently reported in accessible English-language sources (listed as a nature sanctuary/protected area rather than a single clearly defined "complex").

A protected lowland area associated with the Terek and Sunzha river corridors, conserving floodplain woodland and adjacent steppe-edge habitats important for birds and other wildlife in a heavily used lowland landscape.

Sharoy highlands wildlife sanctuary

Highland refuge area (commonly described as tens to a few hundred km² depending on the designated unit)

High-elevation sanctuary aimed at protecting cliff and meadow ecosystems that are sensitive to disturbance; important for raptor nesting and maintaining viable ungulate populations on alpine slopes.

Caucasian chamois (Rupicapra rupicapra caucasica) Bearded vulture / lammergeier (Gypaetus barbatus) Griffon vulture (Gyps fulvus) Golden eagle (Aquila chrysaetos) Eurasian lynx (Lynx lynx)

Wilderness Areas

  • Upper Argun Gorge and side valleys (steep, sparsely roaded terrain with cliff habitats for raptors)
  • Itum-Kale highlands (alpine/subalpine belt with low road density and strong wilderness character)
  • Sharoy ridge-and-gorge country near the Greater Caucasus crest (remote uplands and cliffs)
  • Kezenoy-Am upper catchment slopes and ridgelines (high-elevation open terrain with limited access)
  • Forested mid-mountain belt south of the Terek basin (patchwork of less-fragmented forests forming wildlife movement corridors)
Animals

Wildlife

Wildlife in the Chechen Republic reflects the North Caucasus transition from semi-arid lowland steppe and river floodplains (Terek basin) to forested foothills and high alpine landscapes of the Greater Caucasus. This steep elevational gradient concentrates biodiversity: steppe/riverine species in the north and center, broadleaf and mixed forests in the foothills, and montane/alpine specialists (including several Caucasus endemics) in the south. Large mammals and mountain birds are key to the visitor wildlife experience, while river systems historically supported important migratory fish (now much reduced regionally).

≈70-90 species (regionally reported for the North Caucasus foothill-mountain belt; exact Chechnya-only totals vary by source) Mammals
≈250-320 species recorded (incl. migrants and passage raptors along the Caucasus flyway) Birds
≈30-40 species (steppe and montane assemblages combined) Reptiles
≈10-15 species (highest diversity in foothill forests and well-watered valleys) Amphibians
≈40-60 species in the Terek basin (incl. cyprinids and trout; migratory Caspian fishes historically present downstream) Fish
Examples

Iconic Species

East Caucasian Tur A signature high-mountain ungulate of the eastern Greater Caucasus; seen on rocky slopes and alpine meadows in the republic's southern mountains.
Caucasian Chamois An emblematic agile mountain antelope of cliffs and subalpine zones; often the most visible large mammal in rugged terrain.
Brown Bear
Brown Bear A flagship forest-mountain predator/omnivore of the Greater Caucasus; tracks and signs are common in remote valleys.
Gray Wolf
Gray Wolf A defining carnivore of both lowlands and mountains; its presence shapes ungulate behavior and is a hallmark of wilderness areas.
Eurasian Lynx
Eurasian Lynx Elusive forest predator associated with intact foothill and montane forests; rarely seen but important to local trophic structure.
Golden Eagle
Golden Eagle A prominent raptor of open mountain landscapes; often observed soaring over ridges and hunting marmots/hares and birds.
Bearded Vulture (Lammergeier) Iconic Caucasus scavenger of high cliffs; notable for bone-feeding behavior and for being strongly tied to rugged alpine ecosystems.
Caucasian Snowcock A classic high-alpine bird of the Greater Caucasus; its calls and silhouettes on scree slopes typify the upper mountain zone.
Wild Boar
Wild Boar Common and conspicuous in forests, river thickets, and agricultural edges; frequently encountered via rooting signs and tracks.

Endemic & Rare Species

East Caucasian Tur

Capra cylindricornis

IUCN: Near Threatened (range-restricted Caucasus endemic; sensitive to poaching and disturbance)

Near-endemic to the eastern Greater Caucasus; Chechnya's high mountains form part of its core habitat and connectivity corridor with Georgia/Dagestan.

Caucasian Black Grouse

Lyrurus mlokosiewiczi

IUCN: Near Threatened (Caucasus endemic; vulnerable to habitat change and disturbance at treeline/subalpine zones)

A treeline and subalpine specialist that represents the uniquely Caucasian bird community; local populations depend on intact shrub-meadow mosaics.

Bearded Vulture (Lammergeier)

Gypaetus barbatus

IUCN: Near Threatened (scarce breeder; highly sensitive to poisoning and reduced carrion availability)

A flagship scavenger of the Greater Caucasus; presence indicates relatively intact high-mountain ecological processes.

Cinereous Vulture

Aegypius monachus

IUCN: Near Threatened (rare/irregular in the North Caucasus; threatened by poisoning and disturbance)

A very large vulture that occurs sparsely in the region; any local breeding or regular use of mountain corridors is conservation-significant.

Saker Falcon

Falco cherrug

IUCN: Endangered (declines driven by electrocution, prey loss, and trapping)

A rare raptor in the broader steppe-foothill zone; Chechnya lies within potential passage and occasional breeding range in the North Caucasus.

Dinnik's Viper

Vipera dinniki

Range-restricted Caucasus mountain viper (often regionally protected; IUCN status varies by assessment)

A high-elevation Caucasus endemic associated with cool montane habitats; sensitive to habitat fragmentation and local persecution.

Caspian Trout

Salmo caspius

Regionally rare/declining in many Caspian tributaries (pressures include barriers, overharvest, and habitat degradation)

Tied to colder, cleaner tributaries and historic connectivity within the Caspian basin river network; representative of the Terek system's conservation challenges.

Notable Populations

  • High-mountain ungulate assemblages (notably tur and chamois) in the southern Greater Caucasus sector, important for regional connectivity with adjacent Caucasus ranges.
  • Raptor and vulture use of the Greater Caucasus ridgelines and valleys, part of a major Eurasian migration and dispersal corridor.
  • Terek River basin fish communities that historically included migratory Caspian taxa downstream; conservation value today centers on habitat quality in tributaries and maintaining river connectivity where possible.

Recent Changes

  • Regional decline of migratory Caspian fishes (including sturgeons and migratory salmonids in the wider Terek-Caspian system) driven by river regulation, habitat degradation, and poaching; upstream presence is now much reduced compared with historical conditions.
  • Ongoing range expansion in the broader North Caucasus of generalist canids (notably golden jackal in many areas), increasing interactions with livestock and native carnivores; local status varies by district and habitat.
  • Localized recoveries of some large mammals in less-disturbed mountain/forest areas where hunting pressure decreases, though trends remain sensitive to enforcement, access, and habitat fragmentation.
  • Steppe and lowland habitats continue to face pressure from land conversion and infrastructure, which can reduce reptiles/steppe birds and increase human-wildlife conflict along the Terek basin.
Visit

Wildlife Viewing

Chechen Republic has varied wildlife across three zones: northern Terek‑Sunzha lowlands (steppe, river woods, reedbeds), foothill oak‑beech and mixed forests, and the high Greater Caucasus (gorges, cliffs, alpine meadows, high lakes like Kezenoy‑Am). See raptor migration, alpine tur/chamois, roe deer, wild boar, and birding along rivers. Go with a local guide in highlands; border areas may need permits.

Best Seasons

Spring (Apr-May)

Peak bird activity: migrants moving along the Terek corridor, songbirds in riparian woods, and raptors using warming updrafts over gorges. Foothill wildflowers emerge, and rivers run high-great for scenic wildlife photography (dippers/wagtails along fast streams). Expect changeable weather and muddy tracks.

Summer (Jun-Aug)

Best for high-mountain landscapes: alpine meadows above the tree line, butterflies, and chances of spotting cliff-dwelling ungulates early/late in the day. Long daylight is ideal for hiking and dawn-to-dusk photography in Argun Gorge and around Kezenoy-Am. Midday heat in the lowlands reduces wildlife activity.

Autumn (Sep-Oct)

A prime, comfortable season for trekking and raptor watching-clear air, strong thermals over canyons, and active mammals as they feed before winter. Good time for steppe birds in the north and dramatic foliage in foothill forests. Nights get cold in the mountains.

Winter (Nov-Mar)

Best for tracking and sign: snow makes it easier to read wildlife movement (hoofprints, fox/wolf-like tracks, hare trails). Scenic frozen waterfalls and stark cliff landscapes in mountain districts. Direct sightings are less frequent, but photography and tracking-based trips can be excellent; road access can be limited by snow/ice.

Top Wildlife Experiences

  • Dawn raptor watch in the Argun Gorge (Itum-Kale district): set up on cliff-edge viewpoints for soaring eagles and large raptors using morning thermals; combine with a short hike to quieter side valleys to reduce traffic disturbance.
  • High-mountain loop around Lake Kezenoy-Am (Vedeno highlands): hike the ridgelines and meadow edges at first light for birdlife, alpine flowers, and chances of spotting mammals on distant slopes; bring a scope/binoculars for long-range viewing.
  • Terek River floodplain birding (northern lowlands near Naursky/Shelkovskoy areas): explore riparian woodland, oxbow lakes and reedbeds in spring or early autumn for waterbirds, herons/egrets, and migrating passerines; best at sunrise with minimal wind.
  • Steppe-and-farmland bird photography day in the northern plains: scan fence lines and power poles for raptors, then walk field margins for larks, wheatears and other open-country birds; golden-hour light can be spectacular on the flat horizons.
  • Foothill forest mammal walk (Shatoi/Vedeno foothills): a quiet, slow hike focusing on tracks, scat, feeding signs, and trail-camera-style observation points for roe deer and wild boar; pair with a picnic at a stream to watch forest birds.
  • Waterfall-and-river corridor wildlife hike in the Argun valley side canyons (e.g., around Nikhaloy/nearby trailheads): look for stream specialists like dippers and wagtails, plus raptors circling above the canyon-great for combining nature with dramatic scenery.
  • Winter snow-tracking outing in the mountain districts (Itum-Kale/Sharoy direction): hire a guide to follow fresh tracks at dawn, then move to sunny slopes for scanning; focus on learning tracking skills and photographing landscapes and signs rather than guaranteed animal encounters.

Wildlife Watching Types

Birding in river floodplains and reedbeds (waterbirds, migrants) Raptor watching from gorges and ridge viewpoints (soaring birds on thermals) Alpine wildlife viewing (cliff and meadow species; long-range spotting with scope) Mammal tracking and sign-based wildlife tours (especially in winter) Butterfly and wildflower walks in alpine meadows (summer) River and stream wildlife observation (dippers/wagtails; possible otter-like sign where habitat is suitable) Nighttime listening/spotting walks for nocturnal species (best as a guided, safety-focused activity)

Guided Options

  • Local mountain-guide services based in Grozny or highland guesthouses (custom day hikes and multi-day treks focused on Argun Gorge and Kezenoy-Am viewpoints).
  • Driver-guide 4x4 nature itineraries for the highlands (useful for dawn raptor sessions and reaching trailheads safely; typically arranged privately).
  • Birding day trips with a local birder/guide to the Terek floodplain and northern steppe (timed to spring migration or early-autumn passage).
  • Winter tracking and nature-photography outings (small group/1:1), designed around safe routes, fresh snowfall, and learning animal sign interpretation.
  • Community-hosted highland stays (guesthouse-based guiding) that combine short wildlife walks with early-morning ridge scans-often the most practical way to access quiet wildlife areas.
  • Ranger/forestry-area orientation walks where available in protected landscapes (ask locally about any restrictions, required IDs, or border-zone permits before planning remote routes).
Habitats

Ecosystems

The Chechen Republic has a north–south habitat change. Dry lowlands and river terraces in the Terek basin become forested foothills and then steep Greater Caucasus mountains with subalpine and alpine zones. Many habitats lie close together: northern steppe and riparian areas, and southern Caucasian broadleaf and mixed mountain forests, gorges, and alpine meadows around rivers Terek, Sunzha, Argun.

Biomes

Temperate Grassland

Northern and central lowlands feature Eurasian steppe and meadow-steppe on plains and gentle terraces, with drought-tolerant grasses and forbs; heavily interwoven with cultivated fields and grazing lands.

Common in the northern lowlands and lower Terek basin; significant but fragmented by agriculture (roughly a third of the territory overall).

Temperate Forest

Foothills and mid-mountain belts support broadleaf and mixed forests typical of the Caucasus (oak, beech, hornbeam and mixed stands), with rich understory and high plant diversity in moister valleys and north-facing slopes.

Widespread from foothills into mid-elevations in the south; a major cover type (roughly one-third to two-fifths), locally broken by settlements and pastures.

Alpine

High Greater Caucasus elevations include subalpine shrub/grass mosaics and true alpine meadows, rocky slopes, scree, and high ridgelines above the main closed-forest zone; short growing season and strong elevational zonation.

Concentrated in the southern mountainous third, mainly at higher elevations and ridge systems; limited area but ecologically distinctive.

Freshwater

Large river corridors (especially Terek, Sunzha, Argun) and numerous mountain streams create dynamic floodplains, gravel bars, oxbows, and cold, fast-flowing headwaters important for aquatic and riparian biota.

Present throughout via major rivers and dense tributary networks; most prominent along the Terek/Sunzha valleys and in mountain gorges.

Wetland

Floodplain wetlands, seasonally inundated meadows, and backwater habitats occur along major rivers, especially where channels meander and in lowland depressions; important for waterbirds and amphibians.

Patchy and localized, mainly in lowland floodplains and along slower river reaches; small proportion of total area.

Habitats

Steppe

Meadow-steppe and dry grassland on lowland plains and terraces in the Terek basin; much is converted to cropland or used as pasture, leaving remnant native patches.

Grassland

Open herbaceous habitats including hay meadows and grazed pastures in lowlands and foothill valleys, often forming a mosaic with shrubs and riparian strips.

Shrubland

Shrubby slopes and subalpine shrub communities (including juniper- and rose-dominated thickets in places), especially near the upper forest line and on drier exposures.

Deciduous Forest

Foothill and mid-montane broadleaf forests (notably oak- and beech-influenced stands) with high structural diversity in moist ravines and north-facing slopes.

Coniferous Forest

Montane conifer or mixed conifer components occur locally in cooler/higher belts and sheltered slopes, often as part of mixed mountain forest rather than extensive continuous taiga-like cover.

Woodland

Open-canopy forests and forest-steppe transitions in lower foothills and drier slopes, forming ecotones between steppe and closed forest.

Mountain

Steep Greater Caucasus terrain with pronounced elevational belts, narrow valleys, and gorges that create strong microclimatic contrasts and refugia for Caucasus-endemic flora.

Alpine Meadow

High-elevation meadows and subalpine pastures above the main forest belt; important summer grazing areas and key habitat for alpine plants and pollinators.

Cliff/Rocky Outcrop

Rock faces and canyon walls in mountainous areas (notably along river gorges) provide nesting/roosting sites and specialized rock vegetation.

Cave

Karstic or erosional cavities and small cave systems in mountainous areas (where present) offering bat roosts and cool, humid microhabitats.

River/Stream

Major rivers (Terek, Sunzha, Argun) and fast mountain tributaries; include braided/gravelly reaches upstream and broader floodplain reaches in the lowlands.

Wetland

Floodplain backwaters, oxbow-like features, and seasonally flooded meadows along major river corridors; critical for water regulation and biodiversity hotspots in lowlands.

Marsh

Localized reedbeds and sedge-dominated marshy patches in low-lying floodplain zones and around slow-flowing channels.

Agricultural/Farmland

Extensive croplands and managed hayfields in the lowlands and broad valleys, replacing much of the original steppe and shaping wildlife corridors along field margins and riparian strips.

Urban

Urban and industrial land centered around Grozny and other towns, with fragmented green spaces and river-adjacent development affecting local hydrology and habitat connectivity.

Suburban

Expanding peri-urban mosaics of housing, gardens, smallholdings, and disturbed grasslands around major settlements, often interfacing with floodplains and foothill habitats.

Ecoregions

Caucasus mixed forests Caucasus alpine meadows Pontic-Caspian steppe
Protection

Conservation

Primary Threats

  • Conversion and fragmentation of riparian woodlands and floodplain habitats in the Terek River basin from settlement growth, riverbank engineering, gravel extraction, and agriculture reduce breeding/foraging areas for wetland birds and diminish nursery habitat for fish.
  • Channelization, embankments, and altered flow/sediment regimes on the Terek and its tributaries simplify river habitats, disconnect floodplains, and degrade spawning and migration conditions for anadromous and riverine fishes in the basin.
  • Urban wastewater, runoff from agriculture, and industrial/road pollution accumulate in the Terek basin, affecting water quality, benthic invertebrates, and fish; pollution also concentrates in lower-gradient reaches where sediments trap contaminants.
  • Road building and upgrading in mountain valleys and passes increases landslide/erosion risk, opens previously remote habitat to extraction and hunting, and creates barrier effects and disturbance in narrow gorge ecosystems.
  • Legal and illegal timber cutting in foothill and mountain forests can fragment mature stands, reduce deadwood-dependent biodiversity, and increase erosion on steep slopes-especially where logging coincides with new access roads.
  • Expansion or intensification of cultivation and grazing in lowlands/foothills simplifies steppe mosaics, increases pesticide/fertilizer loads entering tributaries, and reduces habitat for steppe birds and small mammals.
  • Growth around Grozny and other population centers increases demand for land, water, and construction materials (including river aggregates), putting pressure on nearby floodplains, wetlands, and peri-urban natural areas.
  • Poaching and unregulated harvest pressure affects large mammals (mountain ungulates) and raptors; in rugged terrain, enforcement is challenging and hunting can concentrate along accessible valleys and wintering areas.
  • In the broader Terek-Caspian system, overharvest and illegal fishing pressure migratory sturgeon and other valuable fishes; local riverine overfishing further reduces stocks already stressed by habitat modification.
  • Recreation and tourism growth at scenic mountain sites (e.g., highland lakes and gorges) increases off-road driving, litter, shoreline trampling, noise, and disturbance to cliff-nesting birds and sensitive alpine flora.
  • Predation on livestock by large carnivores and competition with wild ungulates can lead to retaliatory killing and reduced tolerance, especially in highland pastoral areas where guarding and compensation are limited.
  • Warming trends shift snowpack and runoff timing in the Greater Caucasus, increasing drought/low-flow stress in summer while amplifying flash-flood and landslide risk during extreme events; alpine/subalpine species face habitat compression upward.
Fun Facts

Did You Know?

The bearded vulture in Chechnya's mountains is a true specialist "bone-eater": a large share of its diet can be bones, and it famously cracks them by dropping them onto rocks to reach the marrow.

The Kezenoy-Am trout (*Salmo ezenami*) is adapted to a cold, high-altitude lake environment-an unusual setting for a trout lineage-making the Chechnya-Dagestan lake one of the Caucasus's most distinctive single-site fish habitats.

East Caucasian turs don't just live on cliffs for scenery: the steepest rock faces function as their primary anti-predator refuge, so the animals often feed on open slopes but retreat to almost un-climbable ledges when threatened.

Caucasian snowcocks often rely more on running and "hugging" scree slopes than on long flights; their camouflage and terrain-hugging behavior can make a large bird seem to vanish in plain sight in alpine rubble.

Chechnya is in a sharp natural transition: steppe and river-valley habitats in the Terek basin are a short drive from alpine belts above the tree line, so lowland and high-mountain species live unusually close.

Lake Kezenoy-Am (on the Chechnya-Dagestan border) is the only native home of the Kezenoy-Am trout, *Salmo ezenami*-a salmonid with an ultra-tiny natural range essentially confined to a single high-mountain lake (a "one-lake endemic").

The Terek River, part of the Caspian drainage, was historically used by beluga sturgeon (Huso huso) — world's largest sturgeon and one of the biggest freshwater fish, reaching 7 m and over 1,000 kg during spawning migrations into Caspian tributaries.

Chechnya's Greater Caucasus highlands host bearded vultures (*Gypaetus barbatus*)-one of the largest flying birds regularly associated with the Caucasus, with a wingspan up to about 2.8 m.

Above the forest line in the Chechen sector of the Greater Caucasus, the Caucasian snowcock (*Tetraogallus caucasicus*) breeds at very high elevations (commonly ~2,400-4,000 m), putting it among the highest-nesting gamebirds of Europe's mountain systems.

The East Caucasian tur (Capra cylindricornis), from the eastern Greater Caucasus including Chechnya, is a heavy wild goat that lives on steep cliffs. Adult males weigh about 80–100 kg and have curved horns over 1 m.

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