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White-tailed deer

(Odocoileus virginianus)


Category: Mammals



This deer species is widespread throughout eastern and central North America, Central America, and parts of northern South America. A dynamic continuum of subspecies is represented throughout its range.  Males regrow their antlers every year and their length and branching is determined by age, nutrition, and genetics. White-tailed deer are generalists who can thrive in a variety of environments.



Data & Facts

Scientific Classification
Kingdom - Animalia
Phylum - Chordata
Class - Mammalia
Order - Artiodactyla
Family - Cervidae
Genus - Odocoileus
Species - O. virginianus

Did you know?
Interesting Animal Facts

A 200 Million Year-old Iconoclast

If a defining trait of mammals is that they give live birth to their young, how do you explain monotremes? Monotremes are mammals that lay eggs like a reptile, rather than giving birth to live young. Living examples of these unusual animals can only be found in Australia and New Guinea today, though they used to be more widespread. A monotreme egg has less yolk for supplying nutrients than a reptile egg, and when a young echidna or platypus hatches, it is very tiny and less developed than its reptile counterpart. But monotreme babies are able to grow and thrive because their mothers stay with them, lactating to supply vital nutrients for their growth - just like other mammals!

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