Shortly after the start of mating, a nesting site is chosen, probably by the female. The birds begin to build the nest in early or mid-June. It is usually located in a dense stand of young spruce or fir trees. Birds usually put 7 at 10 days to build their nest, but if it is destroyed by a predator or by accident, it can be rebuilt in just two days. The female lays one egg a day, usually in the early hours of the day. The eggs are usually bluish green.
A clutch has three or four eggs. The female begins to hatch, that is, to warm the eggs, after laying the penultimate egg, and she is the only one to do so. The chicks are born about 12 days later. They have no feathers and depend entirely on adults to feed and keep them warm. Still 12 days and the chicks are unable to hold longer in the nest and are ready to fly. They remain around the nest and adults continue to look after them.
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They will be independent before the autumn migration which takes place in September. Each nest produces on average only one or two chicks and in years when the main predator of the thrush, the red squirrel, is abundant, let alone young birds survive. The Bicknell's Thrush breeds in very dense woodlands, composed of stunted trees dominated by balsam fir and red spruce and under particularly wet, cold and windy conditions.
This climate is important for its survival, as its reproductive cycle depends on it. It will reproduce and raise its young in these forests.
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His presence is a privilege for all. Although Mont Sainte-Anne has a lower peak than most places frequented by Bicknell's Thrush in Quebec, it is still a prime location. Indeed, since this bird enjoys a cool and wet climate during its breeding season, the proximity of the Gulf of St. Lawrence ensures sufficient amounts of rain, which are accompanied by a cold and wet breeze. Mont Sainte-Anne is therefore a favorite spot for this bird. After a stay of only four months, Bicknell's Thrush will begin a migration of more than 2 kilometers to the south, to reach the Greater Antilles before the start of winter.
This report is prepared by the Fish and Wildlife Service and other Federal agencies and partners in bird conservation. The Maine Field Office focuses much effort on the protection and conservation of migratory birds and their habitats.
We also work with hydro-electric power generators to protect common loons from the potentially adverse effects of fluctuating lake levels during the nesting season. Our Partners for Fish and Wildlife program works with private landowners to voluntarily restore and enhance habitat for migratory birds, such as salt marsh projects in coastal Maine.
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Our Environmental Contaminants program does important investigations with different species of birds, including bald eagles, seabirds, piping plovers, and others. For more information about ways to minimize impacts to migratory birds see Hazards to Migratory birds. Did you know that each year, house cats and feral cats kill millions of birds and small mammals? To learn more about how cats affect our birds in Maine, check out these fact sheets:.
The Wildlife Society is a scientific organization for wildlife professionals in the United States and around the world. If you are unwilling to eliminate free-roaming cats by keeping your pets inside, do not attract birds to your yard by putting out feeders, nest boxes and baths.
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Eliminating free-roaming cats is the best way you can protect your backyard birds from cat predation. The Junior Duck Stamp Conservation and Design Program is a dynamic, art and science program designed to teach wetlands habitat and waterfowl conservation to students in kindergarten through high school and help reconnect youth with the outdoors. Feral Cats, and Feral cats, as well as domestic house cats, have a significant impact on wild birds and other small wildlife. Estimates are that free-roaming cats kill hundreds of millions of birds each year. These include common species such as Robins and Mourning Doves, but also threatened and endangered species such as Piping Plovers and those in decline, including Wood Thrushes and Black-throated Blue Warblers.
For more information on the impact of outdoor cats on birds, see the American Bird Conservancy's Cats Indoors website. Read an article on this subject by Andy Mason, published in July NYSOA member organizations are the local experts in their areas. If there is a project near you, please investigate. You can receive an email notification every time the ENB is issued. NYSOA is concerned about both of these. In addition, NYSOA is calling for reopening of the public comment period because the time allowed has been too short.
Read the letter written by Andy Mason. Mercury Emissions Regulation , The US Environmental Protection Agency has announced a significant rule to reduce emissions of mercury—along with arsenic, lead, dioxins, acid gas, and six dozen other toxic chemicals that power plants are now able to freely dump into our air.
However, the coal industry and electric utilities are making every effort to weaken this rule and continue business as usual. It appears they have an ear in Congress, and are using the threat of job losses and economic hardship to make their case, despite the fact that these companies are highly profitable, and that their activities have untold costs in the health of humans and wildlife. Read the complete article by Andy Mason. Letter supporting reduced mercury emissions, Coal-fired power plants discharge mercury into New York State waters.
As a result, several species of fish in the Catskill and Adirondack Parks have been identified as potentially dangerous for consumption. In addition, Common Loon populations have seriously declined over several decades, possibly, in part, as a result of ingesting fish contaminated by mercury.
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We also urged the DEC to reduce the timeline for compliance and to eliminate the trading of emissions credits. The DEC conclusion that the "… projected water withdrawals and consumptive use of water are modest relative to overall water withdrawals in New York" is misleading and self-deceiving. Unless this perception is changed, we have little reason to believe that our DEC will spend their resources of personnel and money to protect our aquatic resources from the effect of water use by HVHF.
Read the complete article by John L. Gas drilling has the potential to become the next large scale devastation.
The DEC is scheduled to release its regulations in May Gas drilling will begin soon after. We should be ready. Any Big Days in May should be well documented and the results put into the public domain. The Big Days of could become very pivotal data points for future reference. Read the complete article by Donald A. The Marcellus shale formation that underlies much of the Southern Tier, Finger Lakes and Catskill regions is estimated by geologists to contain trillion to trillion cubic feet of natural gas throughout its entire extent, which includes portions of Pennsylvania, Ohio and West Virginia.
Although it is not yet known how much gas will be commercially recoverable, to put this quantity into context, New York State uses about 1. Birders and birding organizations will need to be involved in review of the DEC's environmental impact statement regarding this project in order to ensure that potential impacts to birds from drilling are identified and addressed in the document and in any regulations DEC imposes on drillers.
For more details and information on the Marcellus shale gas drilling project, see the separate article by Andy Mason. Climate Change and Birds , By the end of the 21st century, the U. The amount of CO 2 in the atmosphere is directly related to the temperature on Earth. Read the complete article by Joan Collins.
Fort Edward Grasslands It is essential that the dangers to these already at risk birds be addressed as the highest priority in the environmental review of the project. Wind Power At the Annual Meeting, the council of delegates approved a resolution regarding wind power development. For a more general discussion on wind power and birds, see Andy Mason's article Birds in the Wind.