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The tiger salamander (Ambystoma tigrinum) is a species of mole salamander. Tiger salamanders are large, with a typical length of 6–8 inches. They can reach up to 14 inches in length, particularly neotenic individuals. Adults are usually blotchy with grey, green, or black, and have large, lidded eyes.
The name adds to the list of kinorhynch (mud dragons) species named after dragons and also refers to the study of kinorhynch phylogeny as a "never-ending story"." [190] Epimeria cinderella d'Udekem d'Acoz & Verheye, 2017: Amphipod: Cinderella "Cinderella, heroin of humble origin in a well-known folk tale.
These include small streams, temporary swamps, ditches, and backyards. These sites lack important resources, so the animals do not stay there permanently. Beavers have increasingly settled at or near human-made environments, including agricultural areas, suburbs, golf courses, and shopping malls. [48] North American beaver eating lily pads
[235] [236] While population densities range from 0.5 to 3.2 animals per square kilometer (1.3 to 8.3 animals per square mile) in prairies and do not usually exceed 6 animals per square kilometer (15.5 animals per square mile) in upland hardwood forests, more than 20 raccoons per square kilometer (51.8 animals per square mile) can live in ...
It is often assumed that animals do not have sex for pleasure, or alternatively that humans, pigs, bonobos (and perhaps dolphins and one or two more species of primates) are the only species that do. This is sometimes stated as "animals mate only for reproduction". This view is considered a misconception by some scholars.
The longest-bodied species, and tallest of all living land animals, is the giraffe (Giraffa sp.), measuring up to 5.8 m (19 ft) tall to the top of the head, and despite being relatively slender, reaching a top weight of 2,000 kg (4,400 lb). [7]
Life in proximity to humans and other domestic animals has led to a symbiotic social adaptation in cats, and cats may express great affection toward humans or other animals. Ethologically, a cat's human keeper functions as a mother surrogate. [101] Adult cats live their lives in a type of extended kittenhood, a form of behavioral neoteny. Their ...
The BirdLife Extinct Birds species list Archived 2011-12-01 at the Wayback Machine; The BirdLife Data Zone containing factsheets for all Birds species Archived 2011-12-27 at the Wayback Machine; Extinct Birds Stock Photography Archived 2002-01-21 at the Wayback Machine; Extinct Birds from John James Audubon's Birds of America; New Zealand ...