News tagged with nest defense
Birds' strategic mobbing fends off parasitic invaders
Reed warblers use mobbing as a front line of nest defense against parasitic cuckoos, according to a new report published online on January 29th in Current Biology, a Cell Press publication. Cuckoos act as parasites by lay ...
Biology /
Jan 29, 2009 |
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Search results for nest defense
Hunger may inhibit defensive behavior
Most animals don't spend nearly as much time and energy defending nesting or mating sites against intruders outside the breeding season. That's a given.
Feb 01, 2012 |
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Chemical warfare of stealthy silverfish
A co-evolutionary arms race exists between social insects and their parasites. Army ants (Leptogenys distinguenda) share their nests with several parasites such as beetles, snails and spiders. They also s ...
Dec 01, 2011 |
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NRL Monterey develops more accurate tropical cyclone prediction model
Researchers at the Naval Research Laboratory (NRL) Marine Meteorology Division (MMD), Monterey, Calif., have developed the Coupled Ocean/Atmosphere Mesoscale Prediction System Tropical Cyclone (COAMPS-TC) ...
Space & Earth / Earth Sciences
Nov 18, 2011 |
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Cells die so defensive organs can live
Researchers demonstrate for the first time that programmed cell death - a process by which cells deliberately destroy themselves - is involved in mandibular regression in termites. And it appears this regression may be the ...
Aug 04, 2011 |
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Africanized bees in Modesto likely an isolated case
The recent confirmation of Africanized honey bees in Modesto — the first confirmed case north of Madera County — is "probably an isolated case, and there probably aren't any more Africanized honey bee colonies in ...
Jul 28, 2011 |
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Marla Spivak: A scientist with a real bee in her bonnet
How do we study bees and why are they disappearing? How are scientists working to save bees? Marla Spivak--a MacArthur Fellow and Distinguished McKnight Professor, and extension entomologist in the Department ...
Jul 08, 2011 |
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New research shows ants able to discern difference between threat levels
(PhysOrg.com) -- In an interesting study designed to determine how well ants are able to gauge a threat, Inon Scharf and his colleagues at Johannes Gutenberg University in Mainz, Germany, have shown that even ...
Jul 05, 2011 |
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Microbe vs. microbe: Patterns of bacteria-virus infection networks revealed
(PhysOrg.com) -- Bacteria are common sources of infection, but these microorganisms can themselves be infected by even smaller agents: viruses. A new analysis of the interactions between bacteria and viruses ...
Jun 27, 2011 |
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Native ants use chemical weapon to turn back invading Argentine ants
(PhysOrg.com) -- Argentine ants are taking over the world – or at least the nice temperate parts. They've spread into Mediterranean and subtropical climates across the globe in sugar shipments from Argentina, ...
Jun 07, 2011 |
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Stress may explain vocal mimicry in Bowerbirds
(PhysOrg.com) -- Spotted Bowerbirds (Ptilonorhynchus maculatus) are best known for their nests, but these birds are also capable of mimicking the vocalizations of many different species of birds. It was be ...
May 11, 2011 |
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List of search results for nest defense
