White-Tailed Eagle
Wedge-tailed ruler of northern waters
Reproductive Methods
Internal Fertilization
Sperm fertilizes egg inside the female's body, common in mammals, reptiles, and birds
1,899
Animals
29/80
Page
Internal Fertilization Animals
House wren
Big song, tiny tail-cocker
Satanic Leaf-Tailed Gecko
The gecko that becomes a leaf
Banana Spider
Golden webs, gentle giant.
Vizsla
Hungary's golden velcro gundog
Turtles
Armored travelers of sea and land
Common House Spider
The quiet corner pest-controller
Yellow Sac Spider
Night hunters in a silken sleeping bag
Stone crabs
Big claws. Coastal powerhouses.
Reef Shark
Reef patrols of the open sea
Humboldt Squid
Jumbo squid: fast, deep, and fierce
Redback Spider
Red stripe, tangle web, big reputation.
Lion's Mane Jellyfish
A living mane from cold seas
Addax
Spiral-horned survivor of the Sahara
Jaguarundi Cat
The daytime cat with an otter build
Brookesia Micra
Big camouflage, micro chameleon
Crabeater Seal
The krill-sieving seal of the pack ice
Spiny Hill Turtle
Spiny armor, forest wanderer
Kishu
Silent hunter of Japan's Kii mountains
Polyphemus Moth
Big wings. Bold eyes. Brief life.
Spinone Italiano
The bearded all-terrain bird dog
Darwin's fox
Chile's hidden fox of the rainforests
Formosan Mountain Dog
Taiwan's agile forest guardian
Silkie Chicken
Silky feathers, steadfast mother hens.