Harbor Seal
No ears. Big whiskers. Coastal pro.
Reproductive Methods
Internal Fertilization
Sperm fertilizes egg inside the female's body, common in mammals, reptiles, and birds
1,899
Animals
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Internal Fertilization Animals
Tasmanian Tiger
Stripes, pouch, predator-Tasmania's ghost
Common Raven
Wedge tail. Deep croak. Big brain.
Angora Goat
Mohair in Motion
Japanese Squirrel
Japan's acorn cacher of the canopy
Carolina Parakeet
The lost parrot of the American East
Bilby
Big ears. Big digger. Bilby.
Mexican Alligator Lizard
A cloud-forest climber in living green armor
Bighorn Sheep
Built for cliffs. Crowned with horns.
Marine Iguana
Galápagos' only sea-foraging lizard
Nigerian Goat
Big dairy flavor, tiny goat size
Myna Bird
Bold, brainy, and brilliantly vocal
Ivory-billed woodpecker
The legendary "ghost bird" of swamps
Lorikeet
Brush-tongued pollinators in technicolor
Zebra Finch
Small finch, big lessons in song
Laughing Kookaburra
The bush's laughing alarm clock
Eastern Phoebe
Tail-pump. Perch. "Fee-bee!"
Caiman Lizard
The snail-crusher of the Guianas
Thai Ridgeback
Thailand's ridged, ready athlete
Greenland Shark
Ancient shark of the Arctic depths
Hoary Bat
Frosted fur. Fast flight. Far journeys.
Salmon Shark
Warm heart, cold ocean hunter
Cookiecutter Shark
The deep-sea donut-cutter
Marabou Stork
Africa's clean-up crew with a bill