Greater white-fronted geese were widespread in late February; common loons
were unusually prolific in March and April; numbers of pine siskins were still around in late May; and black-bellied whistling ducks turned up throughout the state from May to October.
and glaucous-winged gulls were observed at two lakes with two-spined stickleback and red-throated loons and glaucous-winged gulls were observed at one lake with four-spined stickleback.
Since common loons
(Gavia immer) are at the top of the aquatic food web and live 20-30 years, they can be significantly impacted by accumulation of mercury in their bodies.
A model using Hg burdens among free-living Common Loons
(Gavia immer) in highly polluted areas of eastern North America found that lig was likely having an impact on local loon populations by lowering their reproductive efforts (Meyer, 2005).
Wildlife biologists have determined that Quabbin Reservoir is home to half of the nesting population of common loons
in the state.
Due to the magnitude of this event, the WCNC facility was quickly overwhelmed by hundreds of collected seabirds, which included Common Loons
(Gavia immer), Common Murres (Uria aalge), Pacific Loons (G.
The birdings people sec are common loons
. American black ducks, common mergansers.
In their travels the Blues see snowy egrets, great blue herons, laughing gulls, roseate terns, Atlantic puffins, American oystercatchers, magnificent frigate birds, sandpipers, Brandt's cormorant, brown pelicans, winter wrens, thick-billed immures, and common loons
. The Blues make funny comments about their sightings and send newsy postcards home, while displaying bird notes and field guides with additional details about each type of bird.
Evers of the BioDiversity Research Institute in Gorham, Maine, and his colleagues analyzed mercury concentrations in yellow perch and common loons
in the northern United States and southern Canada.
Wild common loons
(Gavia immer) were captured across much of their southern North American range.
Bioaccumulation of mercury in yellow perch (Perca flavenscens) and common loons
(Gavia immer) in relation to lake chemistry in Atlantic Canada.