Evolution shapes new rules for ant behavior
Bird fossil sheds light on how swift and hummingbird flight came to be
A tiny bird fossil discovered in Wyoming offers clues to the precursors of swift and hummingbird wings. The fossil is unusual in having exceptionally well-preserved feathers, which allowed the researchers ...
May 01, 2013
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Just what makes that little old ant… change a flower's nectar content?
Ants play a variety of important roles in many ecosystems. As frequent visitors to flowers, they can benefit plants in their role as pollinators when they forage on sugar-rich nectar. However, a new study ...
Apr 24, 2013
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Study shows hovering hummingbirds generate two trails of vortices under their wings, challenging one-vortex consensus
As of today, the Wikipedia entry for the hummingbird explains that the bird's flight generates in its wake a single trail of vortices that helps the bird hover. But after conducting experiments with hummi ...
Feb 25, 2013
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Study: Hummingbirds migrating earlier in spring
(AP)—Ruby-throated hummingbirds are migrating to North America weeks earlier than in decades past, and research indicates that higher temperatures in their winter habitat may be the reason.
Feb 18, 2013
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High-speed video and artificial flowers shed light on mysteries of hummingbird-pollinated flowers
How flowers have evolved particular colours, shapes and scents to attract pollinators has long fascinated ecologists. Now, using artificial flowers and high-speed video, researchers have gained intriguing ...
Nov 20, 2012
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Hummingbirds make flying backward look easy
Animals that move backwards usually require a lot of energy, so Nir Sapir from the University of California Berkeley, USA, was surprised when he realized that hummingbirds execute this maneuver routinely. ...
Sep 27, 2012
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Into the Matorral: Scientists track Avifauna in coastal Chile's thorn-scrub
Research pair uncover secret of hummingbirds' ability to fly in the rain (w/ Video)
(Phys.org) -- Hummingbirds are an interesting creatures. They dart around and fly like insects yet because they are warm blooded and cute, they inspire smiles in most who watch them. What’s not so cute ...
Jul 19, 2012
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Where have all the hummingbirds gone?
(Phys.org) -- The glacier lily as it's called, is a tall, willowy plant that graces mountain meadows throughout western North America. It flowers early in spring, when the first bumblebees and hummingbirds ...
May 31, 2012
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Hummingbirds take no notice of flower color
Hummingbirds pay no attention to what colour a flower is when figuring out whether to raid it for nectar, the latest research suggests.
Mar 16, 2012
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Mystery hummingbird's species identified
A mystery that puzzled Chicago-area birders was solved when Field Museum scientists identified the unusual hummingbird living in an Oak Park, Ill., yard as a member of the rufous species rarely seen in the Midwest.
Dec 26, 2011
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Study of flower petals shows evolution at the cellular level
A new study of flower petals shows evolution in action, and contradicts more that 60 years of scientific thought.
Nov 17, 2011
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Gallery of fluid motion: Evocative images and animations bring the science of fluid dynamics to life
The beauty of science often is contained in elegant formulas or compelling data. For the study of fluid dynamics, fortunately, that beauty also is manifest in enticing images and animations of interesting ...
Nov 17, 2011
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How hummingbirds produce fluttering sounds during courtship
Though famous for their mid-air hovering during hunting, tiny hummingbirds have another trait that is literally telltale: males of some hummingbird species generate loud sounds with their tail feathers while ...
Sep 08, 2011
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