Tag: "alligators" at biology news
New fossil sheds light on old mystery
...rapidly expanding the mouth cavity. Crocodiles and alligators
use a different approach. They catch prey with their flat head and pincer jaws, which allow them (when feeding in water) to strike laterally, cutting through the water while minimizing the force that pushes the prey away. Dinocephalosaurus apparentl...
Snakehead in your inbox? Welcome to the nonindigenous Aquatic Species Alert System
...rm searches on aquatic species -- such as American alligators
in Pennsylvania, Asian carp in Colorado, or snakehead fishes in Virginia. The system is flexible, providing two different perspectives one to a user interested in an area, the other to users interested in a species whether the user chooses automat...
Growing pains: T. Rex was teenage giant
...the dinosaurs' growth rings to those of modern-day alligators
and lizards, whose rings are similar. Ten years ago such research may have been impossible, Erickson said. Museums wouldn't have allowed scientists to cut away at T. rex bones to examine growth rings because there were only a few good speci...
Specialized brain helped ancient reptiles fly and hunt
... visual system.Compared to modern reptiles such as alligators
and lizards, pterosaurs -- commonly known as ptero...r ear canals. The scientists compared the scans to alligators
and birds, which are the closest living relatives of pterosaurs. "Pterosaurs and birds developed fl...
Worlds most endangered alligator released in China
(JUNE 5, 2003) NEW YORK -- Three adult Chinese alligators
the world's most endangered crocodilian species ... than 130 individuals, wild populations of Chinese alligators
are currently relegated to a few drainage ditches and farm ponds in China's Anhui Province, with the...
Unwanted HRT playing havoc with songbirds
... interfering with the breeding of songbirds. First alligators
and fish were being feminised by synthetic hormone...oestrogens are believed to be responsible for male alligators
in Florida being born with shrunken penises. Male fish have also produced yolk protein-something usu...
Tyrannosaurus rex probably could not run fast, scientists say
...iving animals that are distant cousins of T. rex - alligators
and birds - as well as from humans. Asking the mod...ns can chase chickens around the barnyard, whereas alligators
don't run around on their hind legs." Then the researchers turned to dinosaurs. Using dinosaur data ...
January media highlights: GEOLOGY and GSA TODAY
...ar northern latitudes of planet Earth were home to alligators
and lavish vegetation, suggesting a highly tropical planet. The authors analyzed the spectacularly preserved Metasequoia trees excavated from the Fossil Forest site of Axel Heiberg Island in the Canadian High Arctic. These trees grew at paleolatitude...
The true encroacher, human or alligator?
...erned about their prospects for survival. American alligators
range on the Gulf Coast from Texas through Florida... So, many times, Scott gets called to help remove alligators
from stock ponds and creeks. "In some ways, I think it is unfortunate because they are supposed to b...
To combat poaching, Florida officials use wildlife forensics
...for help in cases involving wild turkeys, turtles, alligators
and other hunted species in Florida. Since undertaking the work about three years ago, the lab has helped crack about 30 poaching cases statewide, a number they say will grow steadily as the lab branches out into more and more species and types of ca...
Chinese 'dragon' nears extinction, biologists warn
...ern Anhui Province, the report says. Although the alligators
technically live in a wildlife reserve, very littl...arnarson believes that populations of wild Chinese alligators
can be restored if enough suitable habitat is set aside for the species. One plan that the report d...
Economic model to aid alligator farmers
...and the wild populations." While American alligators
were once on the endangered species list, theyare ...ntry could have come from farmedalligators or wild alligators
in Louisiana or Florida. In 1996 the Louisiana alligator industry was a $12 million farminge...
New Study Offers A Twist On Evolution Of Animal Postures
ATHENS, Ohio -- A new Ohio University study of how alligators
walk isputting an unusual twist on the theory that... earlier research by other scientists thatsuggests alligators
evolved in the opposite direction on the evolutionary chart,moving from an upright walk to the semi-...
USGS Scientists Find New Invasive Fish Species In Florida
...s a favorite food item of native predators such as alligators
or water snakes." Swamp eels -- or rice eels as they are sometimes called -- were first discovered in Florida waters in 1997 in two widely separated sites. In late summer 1997, USGS researchers discovered a population of swamp eels while sampling f...
Research Finds Alligator Problems Also Evident In Less Polluted Lakes
...- Reproductive and hormonal problems documented in alligators
living in a polluted Florida lake have turned up in alligators
living in other Florida lakes thought to be more insulated from pollutants, say researchers at the U...