From the Cornell Lab of Ornithology in the USA:
Platform for Success
The Osprey is a large fish-eating hawk and a top consumer in the food chain. Like Bald Eagles, Ospreys declined following the widespread use of the pesticide DDT. Now that DDT has been banned in the United States for 40 years, the Osprey is a common sight in open habitats near water. Ospreys are good indicators of environmental toxins, and their recent rebound is a positive sign. Similar to eagles, the Osprey builds a conspicuous nest out of large sticks that is fairly easy to spot, if you know where to look. Ospreys seek out a high vantage point near water from which to build their bulky nest, usually atop a sturdy treetop or snag.
However, the Osprey will…
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