White-tailed

White-tailed may refer to:

In ornithology:

* White-tailed Eagle, very large bird of prey in the family Accipitridae
* White-tailed Lapwing, wader in the lapwing family of birds
* White-tailed Ptarmigan, the smallest bird in the grouse family
* White-tailed Sabrewing, large hummingbird that breeds in northeastern Venezuela and Tobago
* White-tailed Trogon, near passerine bird in the trogon family
* White-tailed Tropicbird, bird of Australia

In other fields:

* White-tailed Deer, medium-sized deer found throughout most of the continental United States, southern Canada, and Mexico
* White-tailed Rat, the only member of the subfamily Mystromyinae in the family Nesomyidae
* White-tailed spider, medium-sized spider from southern and eastern Australia