Agelaius phoeniceus

By June post-burn, as the mean vegetation height approached 140 cm, the dominant species once again were red-winged blackbirds (Agelaius phoeniceus), common yellowthroats (Geothlypis trichas) and swamp sparrows (Melospiza georgiana).

Our results are also comparable to Mason and Reidinger (1981) where they showed that red-winged blackbirds (Agelaius phoeniceus) had tendency to utilize the same novel food as conspecifics after observing conspecifics eating that food.

Antropogenic noise affects song structure in redwinged blackbirds (Agelaius phoeniceus).

of detections All birds 210 American goldfinch Carduelis tristis 6 American robin Turdus migratorius 1 American tree sparrow Spizella arborea 30 Bewick's wren Thryomanes bewickii 2 Dark-eyed junco Junco hyemalis 1 Eastern meadowlark Sturnella magna 5 European starling Sturnus vulgaris 1 Field sparrow Spizella pusilla 6 Harris's sparrow Zonotrichia querula 4 Horned lark Eremophila alpestris 11 Lapland longspur Calcarius lapponicus 1 Loggerhead shrike Lanius ludovicianus 5 McCown's longspur Calcarius mccownii 1 Northern cardinal Cardinalis cardinalis 2 Rufous-crowned sparrow Aimophila ruficeps 5 Red-winged blackbird Agelaius phoeniceus 9 Song sparrow Melospiza melodia 6 Spotted towhee Pipilo maculatus 1 Unknown spp.

Agelaius phoeniceus. Residente con probables movimientos estacionales, habita en areas abiertas, en campos agricolas, y generalmente en humedales con extensos manchones de tulares (Typha sp.) (Howell & Webb, 1995).

We have found that LD in songbird populations, such as red-winged blackbirds (Agelaius phoeniceus) and house finches, falls off rapidly after a few hundred base pairs, a situation very reminiscent of populations of Drosophila (Edwards & Dillon 2004, Backstrom et al.

(25-30) Differing from studies on Norway rats (Rattus norvegicus) (31) or redwinged blackbirds (Agelaius phoeniceus).

Two of the three males remained to vocalize in the area for the full 3-min observation period, whereas one left the area and flew out of sight after a single vocalization, closely followed by two male red-winged blackbirds (Agelaius phoeniceus).

henselae was amplified from 2 Northern Mockingbirds (Mimus polyglottos) and 1 Red-winged Blackbird (Agelaius phoeniceus) (GenBank accession no.

The bamboo grove was described as a prominent red-winged blackbird (Agelaius phoeniceus) roost.

Con base a la frecuencia de aparicion, las especies que se ubicaron en las tres zonas y la zona de referencia del pantano fueron: Buteo magnirostris (especie rapaz), Elanus leucurus (especie rapaz), Rostrhamus sociabilis (especie rapaz sujeta a proteccion especial), Butorides striatus, Ardea alba, Egretta thula, Caracara cheriway (especie rapaz), Cathartes burrovianus, Coragyps atratus, Crotophaga sulcirostris, Dendrocygna autumnalis, Sporophila torqueola, Stelgidopterix ruficollis, Agelaius phoeniceus, Jacana spinosa e Himantopus mexicanus.