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crocodiles in Medical News

Mystery of the dead crocodiles solved

Scientists believe that they might have finally cracked the mystery of the deaths of thousands of baby crocodiles in captivity in the Top End.// Eye and throat disease had killed the young farmed crocodiles at four of the Top End's five crocodile farms in recent past weeks. Veterinary path...

Crocodile Babies Cry Out for Hatching

...These pre-hatching calls are produced by baby Nile crocodiles as messages to each other and to their mother, acc...se, and one group was left in silence. The baby crocodiles who heard the pre-hatching calls answered back. Wh...ayed recordings of pre-hatching calls to 10 female crocodiles in a zoo. The females' eggs had been removed after...

Gotta have heart!

... As perhaps confirmed by their ubiquity on nature cable channels, crocodiles are among natures most fearsome predators. When the opportunity arises, crocodilians will gorge, voluntarily consuming meals weighing 23% of their own...

Global Warming 55 Million Years Ago Too, Thanks to Fossil Fuels

...ut of human hands. Heat-trapping ``greenhouse'' gases smothered the atmosphere, at levels two to six times higher than today. Temperatures soared. crocodiles and palm trees lived in the Arctic. It all happened thanks to a giant belch of methane from the ocean, researchers have always thought. Eig...
crocodiles in Biological News

Dwarf crocodiles split into three species

You'd think that if scientists were to discover a new species, it would be in some remote, uncharted tropical forest, not a laboratory in New York. But a team from the Sackler Institute for Comparative Genomics at the American Museum of Natural History has done the unexpected. Looking at the genes...

Saltwater crocodiles can find their way home

Three crocodiles relocated from their homes in Far North Queensland have been tracked swimming between 10 and 30 kilometres per day according to a collaborative research project by The University of Queensland, Australia Zoo and Queensland Parks and Wildlife Service. Professor Craig Franklin, f...

Naming evolution's winners and losers

...e group of fish that live on coral reefs has diversified about eight times faster than expected, he said. Who are the evolutionary losers? crocodiles and alligators are nearly 250 million years old yet have diversified into only 23 species, Alfaro said. They are diversifying a staggering 1,000 times...

Discovery raises new doubts about dinosaur-bird links

...s may have shared a common ancestor, such as the small, reptilian "thecodonts," which may then have evolved on separate evolutionary paths into birds, crocodiles and dinosaurs. The lung structure and physiology of crocodiles, in fact, is much more similar to dinosaurs than it is to birds. "We aren't suggesti...

Komodo even more deadly than thought: Research

...ough rapid blood loss." The researchers used computer modeling to analyse the Komodo dragon bite and found that dragons have much weaker bites than crocodiles of a similar size. However, magnetic resonance imaging revealed the dragons have complex venom glands as well. After surgically excising the glands...

Evidence of the 'Lost World' -- did dinosaurs survive the end Cretaceous extinctions?

...lusion, and many palaeontologists will remain sceptical", but we already know that flying theropod dinosaurs (more generally referred to as birds) and crocodiles survived, so the possibility of pockets of survivors of other types of dinosaur is not quite as far fetched as it might sound. Finding conclusive evid...

World's largest snake discovered in fossilized rainforest

...xtracting coal from Cerrejon, one of the world's largest open-pit mines, researchers discovered fossilized bones of super-sized snakes and their prey, crocodiles and turtles, in the Cerrejon Formation, along with fossilized plant material from the oldest known rainforest in the Americas, which flourished at the...

CT scans reveal that dinosaurs were airheads

...dies and short snouts. For comparison, the scientists also studied scans of crocodiles and ostriches, which are modern day relatives of dinosaurs, as well as huma...sinuses the scientist did find a resemblance between the air spaces of the crocodiles and ostriches and the ancient beasts under study. "Extra air space turns...

Scientists discover 'giant fossil frog from hell'

...vision of Earth Sciences. Krause and colleagues have hypothesized this connection based on previous discoveries of sauropod and theropod dinosaurs, crocodiles and mammals in Madagascar that were very closely related to forms in South America. Beelzebufo is one of the largest frogs on record and was perha...

Unusual fish-eating dinosaur had crocodile-like skull

...ne evolutionary solution to the same problem. The unusual skull of Baryonyx is very elongate, with a curved or sinuous jaw margin as seen in large crocodiles and alligators. It also had stout conical teeth, rather than the blade-like serrated ones in meat-eating dinosaurs, and a striking bulbous jaw tip (or...
crocodiles in Biological Definition

Symbiosis

... relationship of the Egyptian Plover bird and the crocodile . In this relationship, the bird is well known for preying on parasites that feed on crocodiles which are potentially harmful for the animal. To that end, the crocodile openly invites the bird to hunt on his body, even going so far as to open th...
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