Mammals
Explore random mammals from around the world - from tiny shrews to massive whales.
No animals found for this category.
About this group
Mammals are vertebrates with hair or fur. Females produce milk to feed their young. This group includes animals as different as bats, squirrels and whales.
Species guides
- Eastern Gray Squirrel
Sciurus carolinensis
- Domestic Cat
Felis catus
- Common Hedgehog
Erinaceus europaeus
- North American River Otter
Lontra canadensis
- Eastern Grey Kangaroo
Macropus giganteus
Identification practice
Compare these sourced clues with the photograph. Color can vary and some traits are shared by other species; use several visible details together.
Eastern Gray Squirrel(Sciurus carolinensis)
A medium-sized tree squirrel with a long tail and usually gray fur. Black-coated individuals also occur.
Domestic Cat(Felis catus)
A small feline with retractable claws; coat length, color and pattern vary widely among breeds.
Common Hedgehog(Erinaceus europaeus)
A small, rounded mammal with short legs, a pointed snout and spines over its back.
This group is preselected. Choose a difficulty, then identify photos from our curated collection. Individual species are picked at random.