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The bald eagle is not only our nation’s most recognizable natural symbol, and the only eagle found exclusively in North America, it is also the Endangered Species Act’s most prominent success story, and a reminder of how important are the protection of our wildlife, critical habitat and natural resources generally.
Populations of breeding pairs of bald eagles in the lower forty-eight states crashed in the late 1960s to just over 400 pairs, due to hunting, habitat destruction and most prominently, the use of chemical pesticides in agriculture, such as DDT. In a scary process, known as “biomagnification,” bald eagles, being an apex predator at the top on their food chain, and feeding mainly on fish, occasional small rodents and carrion, in other words, wildlife which had themselves absorbed toxins in various forms ultimately from pesticide-laden vegetation or runoff from agricultural fields, suffer highly concentrated, elevated levels of these toxins, negatively impacting birth and mortality rates. Calcium deficiencies caused by the toxins resulted in the thinning of eggshells, which would collapse under the nesting female’s weight, causing a nosedive in successful eaglet births.
Part one of two about the bald eagle
A couple of decades ago, I spent several winters living in Crested Butte, Colorado, where I learned to peer into the cottonwood trees between Route 135 and the East River on the rare occasion when I needed to travel south to the closest “big” town. There, just downstream from the local fish hatchery, I would often find a group of 
The New York State Department of Environmental Conservation (DEC) is planning to amend state regulations and designations for protecting endangered and threatened species across the state. DEC’s proposal would remove 19 species from the state’s endangered and threatened species list.
Bald eagles are being seen in historic numbers across New York and the State Department of Environmental Conservation (DEC) has reported the highest number of nesting pairs, an estimated 323 breeding pairs, since the agency undertook a restoration effort in 1976. Exact estimates will be determined over the course of the breeding season as biologists compile ground reports and surveys.
The State Department of Environmental Conservation (DEC) has announced a new conservation plan to manage New York’s population of the bald eagle. The Conservation Plan for Bald Eagles in New York State describes the historic status, restoration efforts and current status of the bald eagle in the state and provides guidelines for future management actions. A draft of the plan was released in February 2015; more than 120 comments were received.
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