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Hovering Is a Bother for Bees: Fast Flight Is More Stable
March 14, 2013 — Bumblebees are much more unstable when they hover than when they fly fast, according to new research. Scientists used a mathematical model to analyze the way bumblebees fly at different speeds, ... > full story -
Doing Business With a Parrot: Self-Control Observed in Cockatoos
March 13, 2013 — Scientists have for the first time succeeded in observing self-control in ... > full story -
Spiders, Not Birds, May Drive Evolution of Some Butterflies
March 12, 2013 — Butterflies are among the most vibrant insects, with colorations sometimes designed to deflect predators. New research shows some of these defenses may be driven by enemies one-tenth their ... > full story -
Environmental Change Impacts on Migratory Shorebirds Differ for Males and Females
March 11, 2013 — Extensive shell fishing and sewerage discharge in river estuaries could have serious consequences for the rare Icelandic black-tailed godwits that feed there. But it is the males that are more likely ... > full story -
How Birds of Different Feathers Flock Together
March 7, 2013 — When different species of birds flock together, their flight formations are determined by social dynamics both between and within ... > full story -
For Birds, Red Means 'Go': Some Flowers Evolved Red Hues Favored by Birds
March 5, 2013 — New research has shown that certain Australian native flowers have shifted away from using insects as pollinators and evolved their flower color to the red hues favored by ... > full story -
Mutation Altering Stability of Surface Molecule in Acid Enables H5N1 Infection of Mammals
February 28, 2013 — A single mutation in the H5N1 avian influenza virus that affects the pH at which the hemagglutinin surface protein is activated simultaneously reduces its capacity to infect ducks and enhances its ... > full story -
River Regulation Influences Land-Living Animals
February 28, 2013 — Forest-living insects and spiders become less abundant and birds are adversely affected along regulated rivers. Three different studies by ecologists show that river regulation has a negative effect ... > full story -
Songbirds’ Brains Coordinate Singing With Intricate Timing
February 27, 2013 — As a bird sings, some neurons in its brain prepare to make the next sounds while others are synchronized with the current notes—a coordination of physical actions and brain activity that is ... > full story -
Why Have White Storks Stopped Migrating?
February 27, 2013 — A new project to find out why storks are changing their migratory patterns has been launched. In folklore, storks’ strong white wings would carry babies to parents around the world. But since ... > full story
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