Tag Archive for 'American alligator'

Xu et al. present the first anatomical and histological evidence of tail repair with regrowth in an archosaur, the American alligator (Alligator mississippiensis); the regrown alligator tails constituted approximately 6-18% of the total body length and were morphologically distinct from original tail segments. Image credit: Norbert Nagel / CC BY-SA 3.0.

Young American Alligators Can Regrow Their Tails, Study Shows

Nov 24, 2020 by News Staff

Young American alligators (Alligator mississippiensis) have the ability to regrow their tails up to 18% of their total body length, according to a study...

A graphic thermal image of a T. rex with its dorsotemporal fenestra glowing on the skull. Image credit: Brian Engh.

Tyrannosaurus rex Had ‘Thermostat’ in Its Head

Sep 5, 2019 by News Staff

Tyrannosaurus rex, a species of carnivorous dinosaur that lived about 68 million years ago, had an internal thermostat in its head, according to a study...

Sellers et al found regardless of tooth position, age, or diet, crocodiles do not have thick tooth enamel. Image credit: Pexels.

Crocodiles Have Surprisingly Thin Tooth Enamel, Study Shows

Aug 15, 2019 by News Staff

Crocodiles — and their plant-eating ancestors — have thin tooth enamel, a trait that is in stark contrast to humans and other hard-biting species,...

According to Briscoe et al, IT neurons were present in the last common ancestor of birds and mammals. Image credit: Susanne J.

Study: Mammals and Birds Share Neuronal Cell Types Linked to Intelligence

Mar 2, 2018 by News Staff

Neuronal cell types in the avian brains linked to goal-directed behaviors and cognition are similar to cells in a region of the mammalian brain called...

An American alligator (Alligator mississippiensis) caught a nurse shark in the Ding Darling National Wildlife Refuge in Sanibel, Florida. Image credit: U.S. Fish and Wildlife Service.

Wildlife Biologists Find American Alligators Eat Small Sharks and Stingrays

Oct 18, 2017 by News Staff

A new study published in the journal Southeastern Naturalist is the first to document that American alligators (Alligator mississippiensis) on the Atlantic...

American alligator (Alligator mississippiensis). Image credit: Gareth Rasberry / CC BY-SA 3.0.

American Alligator’s Lineage is More Ancient than Previously Thought

Sep 20, 2016 by News Staff

According to new research, American alligators (Alligator mississippiensis) have remained virtually untouched by evolutionary change for at least 8 million...

An American alligator (Alligator mississippiensis) attempting to catch a raccoon (Procyon lotor) on a bait station in southwest Florida. Image credit: Florida Fish and Wildlife Conservation Commission.

Breeding Birds and Alligators Help Each Other in Everglades, Say Researchers

Mar 3, 2016 by News Staff

Long-legged wading birds that nest above resident American alligators (Alligator mississippiensis) for protection from mammalian nest predators may also...

A group of Nile crocodiles in Lake Buena Vista, Florida. Image credit: David R. Tribble.

Crocodiles, Alligators Hunt in Groups, Scientist Says

Oct 14, 2014 by News Staff

Crocodiles and their relatives such as alligators and caimans often work in teams to hunt their prey, according to a study carried out by Dr Vladimir Dinets...

A mugger crocodile balances twigs on its nose to tempt birds collecting small branches to build nests with, at Madras Crocodile Bank, Tamil Nadu in India. Image credit: Vladimir Dinets.

American Alligators, Mugger Crocodiles Use Lures to Hunt Their Prey

Dec 10, 2013 by News Staff

US researchers led by Dr Vladimir Dinets from the University of Tennessee have found that two croc species – mugger crocodiles (Crocodylus palustris)...