Birds stopping for a break during their grueling migratory flights face a difficult tradeoff: They need to fuel up with food as efficiently as possible, but they need to avoid predators while they do it. To learn more about ...
Plants & Animals
Sep 9, 2015
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When nocturnal insects make their high-flying journeys through the darkness of night, they may have more than an internal compass to guide them on their way. Researchers reporting in the Cell Press journal Current Biology ...
Plants & Animals
Aug 31, 2015
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(Phys.org)—A small team of researchers with members from The Netherlands Institute of Ecology, the Max Planck Institute for Ornithology and Wageningen University has found that wild great tits living under street lights ...
A new mystery has been discovered in the migratory behavior of birds! Many songbirds travel long distances during their annual migrations, and it makes sense for them to do everything they can to conserve their energy during ...
Plants & Animals
Aug 12, 2015
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Migrating birds 'share the pain' of the arduous task of leading a v-formation, so that they can then take turns saving energy by following in another bird's wake, a new study shows.
Evolution
Feb 2, 2015
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Bird migration is an impressive phenomenon, but why birds often travel huge distances to and from their breeding grounds in the far North is still very unclear. Suggestions include that the birds profit from longer daylight ...
Plants & Animals
Dec 17, 2014
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To study the nocturnal flight patterns of migrating insects during the fall, researchers at the University of Delaware have been spending their nights on the Newark Farm launching a balloon equipped with a tow net to try ...
Plants & Animals
Oct 14, 2014
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All bird migrations are fraught with danger – from the risk of not finding enough food, to facing stormy weather, and most importantly – trying not to be eaten along the way. Raptors such as peregrine falcons (see picture) ...
Plants & Animals
Sep 25, 2014
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Every year, millions of birds make the journey from North America to Central and South America for the winter. But the evolutionary origins of this long-distance migration have remained opaque due to the complex geographic ...
Evolution
Aug 4, 2014
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A new paper by Dr. Jeremy Ross from the University of Oklahoma describes the use of tiny devices strapped to birds' backs called geolocators, which capture the individual migration routes of lark sparrows in North America. ...
Plants & Animals
Jul 3, 2014
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