GENUINE ALLIGATOR HEAD

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The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species . Retrieved 2018-10-25.

Kay, Jarren C.; Elsey, Ruth M.; Secor, Stephen M. (2020-05-01). "Modest Regulation of Digestive Performance Is Maintained through Early Ontogeny for the American Alligator, Alligator mississippiensis". Physiological and Biochemical Zoology. 93 (4): 320–338. doi: 10.1086/709443. ISSN 1522-2152. PMID 32492358. S2CID 219057993. Kaku, Michio (March 2011). Physics of the Future: How Science Will Shape Human Destiny And Our Daily Lives by the Year 2100. Doubleday. pp.150, 151. ISBN 978-0-385-53080-4. a b Pan, T.; Miao, J.-S.; Zhang, H.-B.; Yan, P.; Lee, P.-S.; Jiang, X.-Y.; Ouyang, J.-H.; Deng, Y.-P.; Zhang, B.-W.; Wu, X.-B. (2020). "Near-complete phylogeny of extant Crocodylia (Reptilia) using mitogenome-based data". Zoological Journal of the Linnean Society. 191 (4): 1075–1089. doi: 10.1093/zoolinnean/zlaa074.Craighead, F. C., Sr. (1968). The role of the alligator in shaping plant communities and maintaining wildlife in the southern Everglades. The Florida Naturalist, 41, 2–7, 69–74.

a b "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species . Retrieved 2018-10-25.An average adult American alligator's weight and length is 360kg (790lb) and 4m (13ft), but they sometimes grow to 4.4m (14ft) long and weigh over 450kg (990lb). [10] The largest ever recorded, found in Louisiana, measured 5.84m (19.2ft). [11] The Chinese alligator is smaller, rarely exceeding 2.1m (7ft) in length. Additionally, it weighs considerably less, with males rarely over 45kg (100lb). Berlin WW2 bombing survivor Saturn the alligator dies in Moscow Zoo". BBC News. 23 May 2020 . Retrieved 17 July 2020.

Most of the muscle in an alligator's jaw evolved to bite and grip prey. The muscles that close the jaws are powerful, but the muscles for opening their jaws are weak. As a result, an adult human can hold an alligator's jaws shut bare-handed. It is common to use several wraps of duct tape to prevent an adult alligator from opening its jaws when being handled or transported. [32] Gabrey, S. W. 2005. Impacts of the coypu removal program on the diet of American alligators ( Alligator mississippiensis) in south Louisiana. Report to Louisiana Department of Wildlife and Fisheries, New Orleans. Muja the alligator still alive and snapping in his 80s at Belgrade Zoo". Reuters. 15 August 2018 . Retrieved 17 July 2020. Large male alligators are solitary territorial animals. Smaller alligators can often be found in large numbers close to each other. The largest of the species (both males and females) defend prime territory; smaller alligators have a higher tolerance for other alligators within a similar size class.The name "alligator" is likely an anglicized form of el lagarto, the Spanish term for "the lizard", which early Spanish explorers and settlers in Florida called the alligator. [2] Early English spellings of the name included allagarta and alagarto. [3] Evolution Integumentary sense organs: Both crocodiles and alligators have small, pit-like sensory organs called integumentary sense organs (ISOs) or dermal pressure receptors (DPRs) surrounding their upper and lower jaws. [60] These organs allow crocodilians to detect minor pressure changes in surrounding water, and assist them in locating and capturing prey. In crocodiles, however, such organs extend over nearly the entire body. [60] Crocodile ISOs may also assist in detection of local salinity, or serve other chemosensory functions. [60]

Fish, Frank E.; Bostic, Sandra A.; Nicastro, Anthony J.; Beneski, John T. (2007). "Death roll of the alligator: mechanics of twist feeding in water". The Journal of Experimental Biology. 210 (16): 2811–2818. doi: 10.1242/jeb.004267. PMID 17690228. S2CID 8402869. Functioning salt glands: Crocodilians have modified salivary glands called salt glands on their tongues, but while these organs still excrete salt in crocodiles and gharials, those in most alligators and caimans have lost this ability, or excrete it in only extremely small quantities. [60] The ability to excrete excess salt allows crocodiles to better tolerate life in saline water and migrating through it. [60] 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. [60]American Alligator and our National Parks". eparks.org. Archived from the original on 2016-03-04 . Retrieved 2016-05-01. International Food Information Service (2009). IFIS Dictionary of Food Science and Technology. John Wiley & Sons. p.15. ISBN 978-1-4051-8740-4. Dinets, V. (2010). "Nocturnal behavior of the American Alligator ( Alligator mississippiensis) in the wild during the mating season" (PDF). Herpetological Bulletin. 111: 4–11. While there are rules of thumb for distinguishing alligators from crocodiles, all of them admit exceptions. Such general rules include: