False Killer Whale
Big dolphin. Tight bonds. Team hunter.
Reproductive Methods
Internal Fertilization
Sperm fertilizes egg inside the female's body, common in mammals, reptiles, and birds
1,899
Animals
20/80
Page
Internal Fertilization Animals
Albatross
Born to ride the wind
Hornbill
Big bills, bigger forest roles
Utonagan
Wolf look, family heart
Wandering Albatross
Wings built for the roaring forties
Vaquita
Save the Gulf's shy little porpoise
Mexican Free-Tailed Bat
Night-shift pest control at 160 km/h
Saiga
Built for dust: the steppe's proboscis
Chimaera
Ghost sharks of the deep
Peregrine Falcon
Built for the stoop.
Cooper's Hawk
The backyard bird-hunter in stealth mode
Muskrat
Marsh builder with a knife-tail
Red Finch
Colorful city finch, feeder favorite
Rockfish
Spiny, savvy, and shockingly long-lived
Shark
Built of cartilage, made for the sea
Sawfish
Nature's living electro-saw
Coelacanth
The deep-sea fish with a skull hinge
Mink
Waterway hunter in a fur coat
Marmot
Whistle, Waddle, Hibernate!
Sugar Glider
Glide the night, sip the sap
Red Fox
White-tipped tail, world-class survivor
Sable
Taiga's "black gold" marten
Gouldian Finch
Savanna's living rainbow finch
House Finch
The feeder finch with a color twist