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"Alligators are really dark brown to black in color whereas the crocodile will be more greenish-grey," Milbrandt said. "Some of the other distinguishing characteristics have to do with the shape ...
Crocodile ISOs may also assist in detection of local salinity, or serve other chemosensory functions. [61] Less consistent differences: Crocodiles are generally thought of as more aggressive than alligators. [61] Only six of the 23 crocodilian species are considered dangerous to adult human beings, most notably the Nile crocodile and saltwater ...
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]
Cladistically, it is defined as Crocodylus niloticus (the Nile crocodile) and all crocodylians more closely related to C. niloticus than to either Alligator mississippiensis (the American alligator) or Gavialis gangeticus (the gharial). [5] This is a stem-based definition for crocodiles, and is more inclusive than the crown group Crocodylidae. [3]
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.
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 ...
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]
A caiman (/ ˈ k eɪ m ə n / (also spelled cayman [3]) from Taíno kaiman [4] [additional citation(s) needed]) is an alligatorid belonging to the subfamily Caimaninae, one of two primary lineages within the Alligatoridae family, the other being alligators. Caimans are native to Central and South America and inhabit marshes, swamps, lakes, and ...