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"The crocodile head is much more narrow at the end of the snout and tapers in and is more triangular and the alligator is much more broad and rounded snout. It’s almost the same width from the ...
American alligators are often less aggressive towards humans than larger crocodile species, a few of which (mainly the Nile and saltwater crocodiles) may prey on humans with some regularity. [ 26 ] [ 146 ] Alligator bites are serious injuries, due to the reptile's sheer bite force and risk of infection.
The ability to excrete excess salt allows crocodiles to better tolerate life in saline water and migrating through it. [61] Because alligators and caimans have lost this ability, they are largely restricted to freshwater habitats, although larger alligators do sometimes live in tidal mangroves and in very rare cases in coastal areas.
Alligators are considered to be less aggressive than Nile and saltwater crocodiles, [154] but the increase in density of the human population in the Everglades has brought people and alligators into proximity, increasing the risk of alligator attacks. [151] [154]
Crocodiles (family Crocodylidae) or true crocodiles are large, semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term “crocodile” is sometimes used more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (both members of the family Alligatoridae), the gharial and false gharial (both ...
A. olseni fore limb Alligator prenasalis fossil. The superfamily Alligatoroidea includes all crocodilians (fossil and extant) that are more closely related to the American alligator than to either the Nile crocodile or the gharial. [1] This is a stem-based definition for alligators, and is more inclusive than the crown group Alligatoridae. [2]
We're in Australia's Northern Territory (NT), home to an estimated 100,000 wild saltwater crocodiles, more than anywhere in the world. The capital, Darwin, is a small coastal city surrounded by ...
Three extant crocodilian species clockwise from top-left: saltwater crocodile (Crocodylus porosus), American alligator (Alligator mississippiensis), and gharial (Gavialis gangeticus) Crocodilia is an order of mostly large, predatory, semiaquatic reptiles, which includes true crocodiles, the alligators, and caimans; as well as the gharial and ...