Mammals are vertebrates that include deer, rabbits, squirrels, coyotes, dolphins, and whales, with an estimated 6500 living species (+/- 500 species). The Class Mammalia evolved around 225 million years ago based on current evidence. Characteristics of Mammalia generally include hair or fur, warm-blooded, live birth, mammary glands, and more complex brains.
Kingdom: Animalia
-Phylum: Chordata
–Class: Mammalia
I have photographs 22 Mammals across 8 Orders so far:
Order: Artiodactyla (Deer, Pronghorn)
–Mule Deer (Otocoileus hemionus)
–Pronghorn (Antilocapra americana)
–White-tailed Deer (Odocoileus virginianus)
–Wild Boar (Sus scrofa)
–Elk (Cervus canadensis)
Order: Carnivora (Wolves, Bears)
–Bobcat (Lynx rufus)
–Cascade Red Fox (Vulpes vulpes cascadensis)
–Coyote (Canis latrans)
–Mongoose (Herpestes javanicus)
–Raccoon (Procyon lotor)
Order: Cetacea (Whales, dolphins)
–Humpback Whale (Megaptera novaeangliae)
–Atlantic Bottlenose Dolphin (Tursiops truncatus)
Order: Cingulata (Armadillos)
–Nine-banded Armadillo (Dasypus novemcinctus)
Order: Didelphimorphia (Opossum)
–Virginia Opossum (Didelphis virginiana)
Order: Lagomorpha (Rabbits, Hares)
–Eastern Cottontail (Sylvilagus floridanus)
–Riparian Brush Rabbit (Sylvilagus bachmani riparius)
–Brazilian Rabbit (Sylvilagus Brasiliensis)
Order: Primates (Monkeys, Apes)
–Japanese Macaque (Macaca fuscata)
Order: Rodentia (Rats, Mice, Squirrels)
–California Ground Squirrel (Otospermophilus beecheyl)
–Cascade Golden-mantled Ground Squirrel (Callospermophilus saturatus)
–Eastern Chipmunk (Tamias striatus)
–Eastern Gray Squirrel (Sciurus carolinensis)
–Fox Squirrel (Sciurus niger)
–Central American Agouti (Dasyprocta punctata)
–Red Squirrel (Tamiasciurus hudsonicus)
–Pine Squirrel (Genus Tamiasciurus)
–Black-tailed Prairie Dog (Cynomys ludovicianus)