Aye-aye
Daubentonia madagascariensis
Warm-blooded vertebrates with hair or fur that nurse their young.
1,083 species
Daubentonia madagascariensis
Saguinus imperator
Canis lupus familiaris
Arctotherium
Canis lupus familiaris
Lepus
Cold-blooded vertebrates with scales and typically lay eggs.
458 species
Terrapene carolina carolina
Varanus exanthematicus
Xenodermus javanicus
Gloydius blomhoffii
Naja haje
Basiliscus
Feathered, winged, egg-laying vertebrates.
405 species
Empidonax traillii
Luscinia megarhynchos
Ara macao
Zenaida macroura
Aegithalos caudatus
Balaeniceps rex
The largest class of fish, with fins supported by bony spines.
276 species
Clupeidae
Scleropages formosus
Lophius
Lophiiformes
Uranoscopidae
Scorpaenidae
Six-legged invertebrates, the most diverse group of animals.
241 species
Lyctidae
Dermestes lardarius
Oecanthus (genus)
Siphonaptera
Trogoderma granarium
Tribolium castaneum
Eight-legged invertebrates including spiders, scorpions, and ticks.
71 species
Parasteatoda tepidariorum
Argiope aurantia
Kukulcania hibernalis
Centruroides sculpturatus
Aphonopelma chalcodes
Theraphosidae
Cartilaginous fish including sharks, rays, and skates.
64 species
Carcharhinus perezi
Sphyrna mokarran
Callorhinchus milii
Rajiformes
Carcharhinidae
Potamotrygon leopoldi
Cold-blooded vertebrates that live both in water and on land.
52 species
Salamandra salamandra
Dig deep. Emerge with the rain.
Rhinella marina
Hyla cinerea
Xenopus laevis
Gymnophiona
Hard-shelled invertebrates including crabs, lobsters, and shrimp.
28 species
Euphausiacea
Oniscidea
Caridina multidentata
Hippidae
Ocypode
Hippidae
Intelligent mollusks including octopuses, squid, and cuttlefish.
11 species
Vampyroteuthis infernalis
Teuthida
Sepioteuthis lessoniana
Hapalochlaena
Dosidicus gigas
Tremoctopus
Snails and slugs, mollusks with a single shell or none.
11 species
Glaucus atlanticus
Chrysomallon squamiferum
Goniobranchus willani
Achatina fulica
Gastropoda
Anentome helena
Two-shelled mollusks including clams, mussels, and oysters.
7 species
4 species
4 species
4 species
4 species
2 species
2 species
2 species
2 species
2 species
2 species
2 species
2 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
1 species
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