Results 101 to 110 of about 378 (155)

Aspergillosis in 41 wild bird species in the eastern United States: a 22-year retrospective review. [PDF]

J Vet Diagn Invest
Stilz CR, Kunkel MR, Keel MK, Fenton H, Weyna AAW, Niedringhaus KD, Andreasen VA, McKinney AS, Maboni G, Nemeth NM.   +9 more
europepmc   +1 more source

Diversity and cross-species transmission of viruses in a remote island ecosystem: implications for wildlife conservation. [PDF]

Virus Evol
French RK, Anderson S, Cain K, Digby A, Greene TC, Miskelly CM, Muller CG, Taylor MW, Recovery Team K, Geoghegan JL, Holmes EC.   +10 more
europepmc   +1 more source

Diversity, Species Richness, and Community Composition of Wetland Birds in the Lowlands of Western Nepal. [PDF]

Ecol Evol
Pant SR, Bhattarai BP, Baral HS, Thapa TB.   +3 more
europepmc   +1 more source

From wetlands to landfills: white stork (<i>Ciconia ciconia</i> L., 1758) as a reliable bioindicator of ecosystem health. [PDF]

Arh Hig Rada Toksikol
Bjedov D, Mikuška A, Velki M.
europepmc   +1 more source

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Accumulation of organochlorine contaminants in double-crested cormorants

Environmental Pollution, 1993
Cormorant eggs and lipid samples from juvenile Cormorants were analyzed for 14 organochlorine contaminants. Low concentrations (geometric mean < 0.05 microg/g) of hexachlorobenzene (HCB), lindane, oxy-chlordane, heptachlor epoxide, dieldrin, endrin, mirex, DDD and DDT in eggs primarily reflected the wintering-ground origin of organochlorine ...
J D, Somers, B C, Goski, J M, Barbeau, M W, Barrett   +3 more
openaire   +2 more sources

Progenicide in Double-Crested Cormorants

The Condor, 1980
Adult Double-crested Cormorants (Phalacrocorax auritus) have been known to attack (but rarely kill) strange, sick, or dying cormorant chicks (Lewis, H.L., The natural history of the Double-crested Cormorant, Ru-Mi-Lou Books, Ottawa, 1929). During the first week of July 1975, on Mandarte Island, British Columbia, Canada, I observed five adult cormorants
openaire   +1 more source

Changing Populations of Double-Crested Cormorants

Colonial Waterbirds, 1995
-The Double-crested Cormorant (Phalacrocorax auritus) has a wider range in North America than any of the five other breeding cormorants and is the only species to occur extensively in the interior as well as on the coasts. Breeding birds are currently known in 40 of the 50 States of the United States, all 10 Canadian Provinces, and in Mexico, Cuba and ...
openaire   +1 more source

Bill malformations in double-crested cormorants with low exposure to organochlorines

Environmental Toxicology and Chemistry, 1999
Abstract Eight of 20 newly hatched double-crested cormorants (Phalacrocorax auritus), captured at Doré Lake (Saskatchewan, Canada) and raised in captivity, developed malformed bills when they were 2 to 3 weeks old. Malformation was characterized by abnormal flexure and rotation of the maxilla and mandible, resulting in a crossed bill. By
Thijs Kuiken, Glen A. Fox, Karen L. Danesik   +2 more
openaire   +1 more source

Evidence for Sex Differences in Mercury Dynamics in Double-Crested Cormorants

Environmental Science & Technology, 2011
Aquatic fish-eating birds can demethylate methylmercury in their livers. In this study, we determined whether a previously documented male bias in mercury concentration in double-crested cormorants ( Phalacrocorax auritus ) was due entirely to the depuration of mercury into eggs or might also in part be related to sex differences in methylmercury ...
Stacey A, Robinson, Mark R, Forbes, Craig E, Hebert, Anton M, Scheuhammer   +3 more
openaire   +2 more sources

AN EPIDEMIC OF NEWCASTLE DISEASE IN DOUBLE-CRESTED CORMORANTS FROM SASKATCHEWAN

Journal of Wildlife Diseases, 1998
A Newcastle disease epidemic in double-crested cormorants (Phalacrocorax auritus) occurred in July and August 1995, during a 1994-96 study of a breeding colony of this species on Doré Lake (Saskatchewan, Canada). Clinical signs and mortality were observed from a tunnel-and-blind system, and moribund and freshly dead birds were examined virologically ...
T, Kuiken, F A, Leighton, G, Wobeser, K L, Danesik, J, Riva, R A, Heckert   +5 more
openaire   +2 more sources