The documentation of the Swamp Sparrow
(Melospiza georgiana) during this study increases the avifauna listing for the state of Nuevo Leon to 366 species.
Evidence from Swamp Sparrows (Melospiza georgiana), which also sing a trilled song similar to juncos, suggests that even minute differences in song syntax, specifically the ordering of notes within a syllable, can contribute to the ability of males and females to discriminate between the songs of different populations (Balaban 1988, Liu et al.
Cultural and genetic variation in Swamp Sparrows (Melospiza georgiana), II.
Anderson took the wing-waving robosparrow to a swamp sparrow breeding ground in Pennsylvania and placed it in the territories of live males.
Washington, January 30 ( ANI ): Male swamp sparrows use wing waves as an aggressive signal to defend their territories and mates from intruding males, according to a new study.
The researcher said that the study showed that, when challenged, the male Swamp Sparrow
escalates its vocal performance by increasing the frequency range and the speed of its song.
Twelve species were captured more frequently than expected on Star Island (scientific names in Table 1): Traill's Flycatcher, Ruby-crowned Kinglet, Cedar Waxwing, Magnolia Warbler, Yellow-rumped Warbler, Wilson's Warbler, Yellow-breasted Chat (fall, not tested in spring), Savannah Sparrow (spring, not tested in fall), Lincoln's Sparrow (fall but not spring), Swamp Sparrow
, White-throated Sparrow (fall but not spring), and Purple Finch.
Little is known about the effects of winter prescribed fire on non-target species including Seaside Sparrow (Ammodramus maritimus maritimus), Coastal Plain Swamp Sparrow
(Melospiza georgiana nigrescens), Saltmarsh Sharp-tailed Sparrow (Ammodramus caudacutus), Black Rail (Laterallus jamaicensis), and other secretive marsh birds that use tidal marshes as foraging and breeding areas.
The Coastal Plain Swamp Sparrow
(Melospiza georgiana nigrescens) is restricted to tidal fresh and brackish marshes of the mid-Atlantic coast.
We investigated the relative abundance of Le Conte's Sparrow (Ammodramus leconteii), Sedge Wrens (Cistothorus platensis), Savannah Sparrow (Passerculus sandwichensis), and Swamp Sparrow
(Melospiza georgiana) in areas burned within the previous 1, 2 or 3 years to examine the effect of fire on herbaceous and woody vegetation, and habitat associations of individual bird species.
Data was provided on bonobos, chimpanzees, gorillas, olive baboons, stump-tailed macaques, golden snub-nosed monkeys, brown, red-bellied and aye-aye lemurs, coyotes, dogs, gray wolves, Asian elephants, domestic pigeons, orange-winged amazons, Eurasian jays, western scrub jay, zebra finches and swamp sparrows
We notice that we're getting less of some species, like swamp sparrows
," says Rodney Olsen, who rims the bird-banding project at the observatory.
Red-winged blackbirds and swamp sparrows
sing from the cattails, and young boys are fishing in the pond, their bicycles haphazardly piled next to the dock.
Tom said he saw a few swamp sparrows
when he helped out with the Athol count, and a rusty blackbird and a yellow bellied sapsucker when he was counting in Groton.
Four House Wrens, eight Gray Catbirds, one Yellow-rumped Warbler, 13 Ovenbirds, and seven Swamp Sparrows
(Melospiza georgiana) displayed behavior indicative of stopover site fidelity with all encounters in September, October, March, and April.