Reptiles for Sale w/ Photos
2008-06-27
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- Agriculture Linked To Frog Sexual Abnormalities
A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But scientists have found the opposite is true. In a study with wide implications for a longstanding debate over whether agricultural chemicals pose a threat to amphibians, zoologists have found that toads in suburban areas are less likely to suffer from reproductive system abnormalities than toads near farms -- where some individual animals had both testes and ovaries.
- Malagasy Chameleon Spends Most Of Its Short Life In An Egg
There is a newly discovered life history among the 28,300 species of known tetrapods. A chameleon from arid southwestern Madagascar spends up to three-quarters of its life in an egg. Even more unusual, life after hatching is a mere 4 to 5 months. No other known four-legged animal has such a rapid growth rate and such a short life span.
- Rescued Sea Turtle, Dylan, Released In Ocean
Dylan, a straggler hatchling who was rescued on Jekyll Island almost 10 years ago and became a national ambassador for sea turtles, is going home. He was released into the ocean on Monday, June 30th at 11 a.m.
- When Threatened, A Few African Frogs Can Morph Toes Into Claws
Some African frogs carry concealed weapons: when threatened, these species puncture their own skin with sharp bones in their toes, using the bones as claws capable of wounding predators. At least 11 species kick at predators with sharp, protruding bones as a defense mechanism.
- Mechanism Contributing To Appropriate Formation Of The Spine Discovered
Scientists have shed light on the mechanism causing animals to develop the appropriate number of vertebrae. Vertebrae are formed from their embryonic precursors, called somites. The number of somites is consistent within a species, but varies significantly across species. By comparing the developing embryos of zebrafish, chicken, mice, and corn snakes, the team established an understanding of how an organism regulates the number of somites formed.
- Lizards Pull A Wheelie
Lizards that run on two legs haven't evolved to pull the stunt; they're simply pulling a wheelie. Researchers have found that lizards shift their center of mass back as they accelerate forward so that they're forelimbs lift off the ground leaving them running on two legs.
- Large Areas Of Conservation Land Needed To Save Small Frogs, Turtles And Other Marine Species
Scientists were surprised with findings of a recent study that reveals many animal species believed to persist in small contained areas actually need broad, landscape level conservation to survive. Overall, the study provides strong new evidence supporting the integration of multiple scales of conservation, including protected areas as well as landscape and seascape level conservation strategies.
- Climate Change Hastens Extinction In Madagascar's Reptiles And Amphibians
New research provides the first detailed study showing that global warming forces species to move up tropical mountains as their habitats shift upward. Herpetologists predict that at least three species of amphibians and reptiles found in Madagascar's mountainous north could go extinct between 2050 and 2100 because of habitat loss associated with rising global temperatures. These species are moving upslope to compensate for habitat loss at lower and warmer altitudes.
- Probiotic Bacteria Protect Endangered Frogs From Lethal Skin Disease
Laboratory tests and field studies continue to show promise that probiotic bacteria can be used to help amphibian populations, including the endangered yellow-legged frog, fend off lethal skin diseases.
- Unique Adaptive Evolution Found In Snake Proteins Provide New Insight Into Vertebrate Physiology
Before the advent of large sequence datasets, it was assumed that innovation and divergence at the morphological and physiological level would be explained at the molecular level. Molecular explanations for physiological adaptations have, however, been rare. Biologists now provide evidence that major macroevolutionary changes in snakes have been accompanied by massive functional redesign of core metabolic proteins.
- Reproductive Plasticity Revealed: Neotropical Treefrog Can Choose To Lay Eggs In Water Or On Land
Researchers have discovered a treefrog known to lay eggs terrestrially, also lays eggs in water both at the surface and fully submerged. Although this yellow treefrog is the first vertebrate discovered to show reproductive flexibility, it is probably not alone.
- Relocation Of Endangered Chinese Turtle May Save Species
There are only four specimens of the Yangtze giant softshell turtle left on Earth -- one in the wild and three in captivity. In order to save this species from extinction, conservation partners recently paired two of them. Listed at the top of the World Conservation Union's Red List, the Yangtze giant softshell turtle is the most critically endangered turtle in the world.
- Invasion Of Gigantic Burmese Pythons In South Florida Appears To Be Rapidly Expanding
The invasion of gigantic Burmese pythons in South Florida appears to be rapidly expanding, according to a new report from a researcher who's been chasing the snakes since 2005. The new document follows the February release of a U. S. Geological Survey climate map that showed -- based solely on climate, not habitat -- pythons could potentially survive across the lower third of the United States.
- Ancient Amphibian: Debate Over Origin Of Frogs And Salamanders Settled With Discovery Of Missing Link
The description of an ancient amphibian that millions of years ago swam in quiet pools and caught mayflies on the surrounding land in Texas has set to rest one of the greatest current controversies in vertebrate evolution.
- Female Concave-eared Frogs Draw Mates With Ultrasonic Calls
Most female frogs don't call; most lack or have only rudimentary vocal cords. A typical female selects a mate from a chorus of males and then -- silently -- signals her beau. But the female concave-eared torrent frog, Odorrana tormota, has a more direct method of declaring her interest: She emits a high-pitched chirp that to the human ear sounds like that of a bird.
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