News tagged with tropical butterfly
Panama butterfly migrations linked to El Nino, climate change
A high-speed chase across the Panama Canal in a Boston Whaler may sound like the beginning of another James Bond film—but the protagonist of this story brandishes a butterfly net and studies the effects of ...
Oct 05, 2009 |
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A boy for every girl? Not even close
In a perfect world, for every boy there would of course be a girl, but a new study shows that actual sex ratios can sometimes sway very far from that ideal. In fact, the male-to-female ratio of one tropical butterfly has ...
Sep 10, 2009 |
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Search results for tropical butterfly
Mission to map 10 million species in 50 years
An incredible 18,000 new plant and animal species are discovered each year. But this number is dwarfed by the estimated 10 million more species yet to be discovered. It sounds like an impossible task, but ...
Apr 20, 2012 |
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Miami blue butterfly to be declared endangered
The tiny Miami blue butterfly, reduced to a few hundred survivors on isolated islands off Key West, will be formally declared a federally endangered species on Friday.
Apr 05, 2012 |
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Asian honey bees defend threat by banding together and shaking abdomens
Theory suggests that signals between prey and predator can coevolve. In order for an ‘I see you’ display to evolve, the prey species must be able to back up its ‘I see you’ with action, by outrunning the ...
Feb 24, 2012 |
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Treasure trove of wildlife found in Peru park
The Wildlife Conservation Society's (WCS) Peru program announced today the discovery of 365 species previously undocumented in Bahuaja Sonene National Park (BSNP) in southeastern Peru.
Feb 02, 2012 |
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Trouble in paradise: Ocean acidification this way comes
Double, double toil and trouble; Fire burn, and caldron bubble.---Shakespeare, Macbeth
Jan 05, 2012 |
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Predators drive the evolution of poison dart frogs' skin patterns
Natural selection has played a role in the development of the many skins patterns of the tiny Ranitomeya imitator poison dart frog, according to a study that will be published in an upcoming edition of Ame ...
Nov 21, 2011 |
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Satellite images help species conservation
Organisms living on small islands are particularly threatened by extinction. However, data are often lacking to objectively assess these threats. A team of German and British researchers used satellite imagery ...
Nov 17, 2011 |
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Britain attracts rare moths in autumn heatwave
Record-breaking autumn temperatures have attracted hundreds of rare moths to Britain in what experts have called the best migration of the insects in years.
Oct 07, 2011 |
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Butterfly study sheds light on convergent evolution
For 150 years scientists have been trying to explain convergent evolution. One of the best-known examples of this is how poisonous butterflies from different species evolve to mimic each other's color patterns – in effect ...
Jul 21, 2011 |
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An eye gene colors butterfly wings red
Red may mean STOP or I LOVE YOU! A red splash on a toxic butterfly's wing screams DON'T EAT ME! In nature, one toxic butterfly species may mimic the wing pattern of another toxic species in the area. By ...
Jul 21, 2011 |
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List of search results for tropical butterfly
