A new species of parasitic wasp has been obtained from the eggs of weevils, associated with bushwillows, collected and identified by Dr. Silvano Biondi. Given the tiny insect from northeastern Gabon is the first record of ...
Plants & Animals
Feb 27, 2017
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17
Scientists have long thought that host birds accept or reject parasitic eggs according to how closely they resemble their own eggs in color. However, a new study in the Proceedings of the Royal Society B shows that both robins ...
Plants & Animals
Feb 7, 2017
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7
Researchers from The University of Western Australia have invented a device that can detect very small quantities of the parasite eggs that cause schistosomiasis in humans which are currently difficult to detect.
Plants & Animals
Oct 27, 2016
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7
The brown-headed cowbird is nothing short of a nightmare for its hosts: If they eject the brood parasite's eggs from the nest, it punishes them by destroying their entire clutch. Researchers from the Max Planck Institute ...
Plants & Animals
May 18, 2016
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315
Female Drosophila flies avoid laying eggs at sites that smell of parasitic wasps.
Plants & Animals
Dec 16, 2015
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5
Most animals reproduce by laying eggs. As the embryo develops, its feeds on the egg yolk. No egg yolk, no offspring, then? Not always. Biologists from KU Leuven, Belgium, have discovered an exception to the rule: the eggs ...
Plants & Animals
Nov 12, 2015
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48
Brown-headed cowbirds have a reputation for being deadbeat parents: They lay their eggs in other birds' nests and then disappear, the story goes, leaving the care and feeding of their offspring to an unwitting foster family. ...
Plants & Animals
Sep 9, 2015
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168
(Phys.org)—A pair of researchers with Australia National University has conducted a study of parasitic egg laying with birds and as a result has found some hints on why it is that some hosts reject parasitic eggs while ...
Brood parasites are reproductive cheats that evolve ways of duping other birds into raising their young. Examples such as mimicry of host eggs, chicks and fledglings by brood parasitic eggs, chicks and fledglings are amongst ...
Plants & Animals
Jun 9, 2015
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76
Old-school field work meets cutting-edge technology! For decades, researchers have been making artificial eggs out of plaster, wood, and other materials to test how birds identify and reject the eggs that invading "brood ...
Plants & Animals
May 26, 2015
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19
