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Results 1 - 10 from 17 for brood parasites in 0.256 sec.
USGS Patuxent Wildlife Research Center Research Product: USE OF LICE TO
IDENTIFY COWBIRD HOSTS
News and Notes section ( "What's bugging brood parasites?" by DH Clayton and KP Johnson), and in an August 2001 issue of TREE, D ... lice (Phthiraptera) may be utilized by biologists to investigate the brood parasitism patterns of Brown-headed Cowbirds (Molothrus ater). As nestlings, brood parasites have a unique opportunity to encounter lice that are typically ...
www.pwrc.usgs.gov
Rocky Mountain Bird Observatory : Conservation : Wetlands
Brown-headed Cowbirds present; these brood parasites reduce the reproductive success of many other songbirds when they lay their eggs in other ...
www.rmbo.org
USGS Patuxent Wildlife Research Center Staff Profile
Higher exposure to parasites is the basis for parasite-mediated selection for increased diseased resistance. Education/Training ... (Megascops asio): West Nile Virus Susceptibility Evolution of immune systems: comparative studies of brood parasites and their relatives Selected Publications/Products: Reisen, W. K. and D. C. Hahn. ...
www.pwrc.usgs.gov
Noah Kahn - Defenders of Wildlife
Noah spent three years as a research ornithologist studying the effects of habitat fragmentation, brood parasites, and wind turbines on migratory birds throughout the U.S. and in Costa Rica. Noah ...
defenders.org
Signs of Spring
Syd and Roast: Diaries of Two Tundra Swans Fireflies! Chickadee Dictionary Red-winged Blackbird Dictionary Brood Parasites: Cowbirds Swallows On a Mission Swallow Facts Plankton in the Sky? Observing Aeroplankton The Scoop ...
learner.org
2007 IUCN Red List – Search
Predators (ongoing) 2.4 Invasive alien species (directly affecting the species) - Pathogens/parasites (ongoing) 7.2 Natural disasters - Storms/flooding (past) 9.2 Intrinsic factors - Poor ... Areas, habitat restoration, control of exotic predators, supplementary feeding, nest guarding, clutch and brood (fostering) manipulations, rescue of eggs and young from failing nests, control of disease ...
iucnredlist.org
Ask a Biologist
Do all North American duck species have one brood per year, or are there some that have two? What is a quick and easy ... from freezing? Why do snowgeese and bluegeese fly together? What are the small oblong shaped parasites in breast meat? (Ricebreast) Can you ID male and female Canada goose just by sight ...
deltawaterfowl.org
EJF: Farming the Sea - unregulated shrimp farming, the environment and people
The by-catch rates associated with juvenile shrimp (fry) collection ... have been responsible for the introduction, establishment and spread of aquatic animal pathogen species (parasites, viruses, bacteria and fungi). Combined with this problem of importing new pathogens is the ...
ejfoundation.org
EWT Dung Beetle Emotive
Mother Nature has devised wonderful ways of taking care of her brood and domestic chores. Take oxpeckers for example - she raised them on a strict diet of ... . Pesticides, that were developed to protect imported domestic cattle breeds which are unaccustomed to African parasites, spell disaster for oxpeckers when they consume poisoned ticks which are also toxic for the ...
www.ewt.org.za
Honeybee
When young, they are called house bees and work in the hive doing comb construction, brood rearing, tending the queen and drones, cleaning, temperature regulation and defending the hive. Older workers ... been the focus of much research to try to determine what is causing it. Pathogens, parasites, environmental toxins and even cell phone transmissions have been the subject of investigation. As of ...
gpnc.org
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