Search Results for: Amphibians
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734 results
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Sleeper Finding: Hormone key to hibernation?
A recently discovered hormone may play a major role in triggering and maintaining hibernation.
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Wildlife Finder
For a sofa safari, type in a location somewhere on the planet (by city, country, or even zip code) and see what kinds of natural habitat lie nearby. Created by the World Wildlife Federation, this Web site generates a list of mammals, birds, amphibians, and reptiles reported in that type of habitat and links them […]
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Animal Skulls
High school biology teacher DeLoy Roberts and his students have, over the years, assembled a large collection of animal skulls. This Web site provides dramatic images of the skulls, ranging, for example, from the armadillo to the wood rat among the mammals. Various birds, fish, sharks, reptiles, amphibians, and crustaceans are also represented. Go to: […]
- Agriculture
Farm Fresh Pesticides
For people who live near croplands, traces of agricultural chemicals can find their way into homes by hitchhiking on windblown dust.
- Earth
Ozone saps toads’ immune systems
In amphibians, ozone damages immune function in the lungs, suggesting a possible new contributor to worldwide amphibian declines.
- Animals
Pirates of the Amphibian: Males fertilize eggs of another guy’s gal
For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair.
- Ecosystems
Light All Night
New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.
- Animals
He Clones, She Clones: Dad, mom ants as different species
In the little fire ant, males and queens clone themselves, the closest science has gotten to declaring males and females as separate species.
- Earth
Wafting pesticides taint far-flung frogs
Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.
- Ecosystems
Saving Sturgeon
Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.
- Animals
Bad Breath: Insects zip air holes to cut oxygen risks
The need to avoid overdosing on oxygen may drive certain insects to shut down their breathing holes periodically.
- Earth
Just a Tad Is Too Much: Less is worse for tadpoles exposed to chemicals
The herbicide atrazine is more likely to kill developing amphibians when it is highly diluted than when it's much more concentrated in aquatic environments.
