Search Results for: Amphibians
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726 results
- Computing
Computing Evolution
Scientists sift through genetic data sets to better map twisting branches in the tree of life.
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All in the Family
Contrary to popular belief, species of salamanders, birds, beetles and fish prefer to mate with close kin.
- Earth
Lazarus, the amphibian
The painted frog, unseen for more than a decade and feared to be extinct, has resurfaced in a remote desert highland of Colombia.
- Animals
Virgin Birth: Shark has daughter without a dad
DNA testing of two sharks confirms an instance of reproduction without mating, adding a fifth major vertebrate lineage to those known for occasional virgin births.
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Amphibiaweb
Curious about frogs, toads, or salamanders? This Web site from the University of California, Berkeley provides data on more than 6,000 amphibian species from around the world. Visitors can browse the listings by name or region of the world (or country). The site also has general information about amphibians and addresses the issue of amphibian […]
- Earth
Elevated pesticide threatens amphibians
The survival of certain mountain-dwelling amphibians may be threatened by toxic pesticides that are blown uphill from distant agricultural lands in California's Central Valley.
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Biological Moon Shot
The first entries—with the basics for a mere 30,000 species—in the Web-based Encyclopedia of Life are scheduled for release in a matter of weeks.
- Paleontology
Early tetrapod likely ate on shore
The skull structure of Acanthostega, a semiaquatic creature that lived about 365 million years ago, suggests that the animal fed on shore or in the shallows, not in deep water.
- Animals
Bite This: Borrowed toad toxins save snake’s neck
An Asian snake gets toxins by salvaging them from the poisonous toads it eats.
- Agriculture
Lettuce Liability
A new industry program to self-regulate most salad producers is forcing affected farmers to choose between adopting measures unfriendly to wildlife and a loss of major markets for their greens.
- Animals
No-Dad Dragons: Komodos reproduce without males
Two female Komodo dragons in zoos have startled their keepers by laying viable eggs without males, possibly as a last resort at a time when mates are in increasingly short supply.
- Earth
Global warming may already be a killer
Earth's rising temperatures may be a precipitating factor in the extinctions of dozens of tropical frog species.
