Long-tailed
Long-tailed may refer to:
Ichthyology
- Long-tailed river stingray, freshwater stingray
- Long-tailed thresher shark, thresher shark inhabiting tropical and temperate waters worldwide
Mammology
- Greater Long-tailed Hamster, major crop-eating rodent that resides in Northern China
- Little Long-tailed Dunnart, dunnart that was described in 1984
- Long-tailed Climbing Mouse, Rhipidomys mastacalis, rodent species from South America
- Long-tailed Climbing Mouse, Vandeleuria, rodent genus
- Long-tailed Dunnart, Australian dunnart that has a tail longer than its body
- Long-tailed Mouse, native Australian rodent
- Long-tailed Planigale, the smallest of all marsupials
- Long-tailed Pygmy Possum, diprotodont marsupial found in the rainforests of northern Australia, Indonesia and New Guinea
- Long-tailed Shrew, small North American shrew found in Atlantic Canada and the north-eastern United States
- Long-tailed Spiny Rat, spiny rat species from South America
- Long-tailed Tree Rat, spiny rat species from South America
- Long-tailed Vole, small vole found in western North America
- Long-tailed Weasel, the most widely distributed mustelid in The New World
- New Zealand Long-tailed Bat, aerial insectivore
- Nicobar Long-tailed Macaque, subspecies of the Crab-eating Macaque
Ornithology
- Long-tailed Broadbill, species of broadbill that is found in the Himalayas, Southeast Asia, and Indonesia
- Long-tailed Cormorant, member of the cormorant family of seabirds
- Long-tailed Duck, medium-sized sea duck
- Long-tailed Glossy Starling, member of the starling family of birds
- Long-tailed Hawk, bird of prey in the family Accipitridae
- Long-tailed Hermit, large hummingbird that is a resident breeder in Venezuela, the Guianas, and northern Brazil
- Long-tailed Paradigalla, large black bird of paradise
- Long-tailed Parakeet, parrot of Southeast Asia
- Long-tailed Shrike, member of the bird family Laniidae
- Long-tailed Silky-flycatcher, passerine bird which occurs only in the mountains of Costa Rica and western Panama
- Long-tailed Skua, seabird in the skua family Stercorariidae
- Long-tailed Tit, very small passerine bird
- Long-tailed tits, group of small passerine birds with medium to long tails
Other
- Long-tailed pair, common design in electronics for implementing a differential amplifier
- Long-tailed Skipper, spread-winged skipper butterfly found throughout tropical America and into the southern part of the United States