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Ospreys (Pandion haliaetus) nest in the winter, spring, and summer months. Pairs mate for life, raising three young per season if all goes well. Osprey pairs work together to build a large stick nest on a tree, cliff face, or man-made structure. They each have their roles to play in incubating, brooding, and caring for their young.
Osprey nests are built of sticks and lined with bark, sod, grasses, vines, algae, or flotsam and jetsam. The male usually fetches most of the nesting material—sometimes breaking dead sticks off nearby trees as he flies past—and the female arranges it.
Ospreys start laying eggs based on their location. In warmer areas, it’s as early as April, while in cooler places, it may not be until May or June. They time it just right for the best conditions for their chicks.
The male osprey typically arrives to the nesting territory first to claim the nest. When the male osprey arrives, he puts on a graceful aerial display, ostensibly to stake out his claim and advertise for a mate.
Ospreys nest in a wide variety of habitat types. Good nesting sites are emerging dead or live trees or other structures with easy access located near rivers, lakes, bays, reservoirs, lagoons, swamps, and marshes. Some ospreys have nested within 10 miles of a body of water.
The first Osprey egg has hatched in the Savannah Osprey nest. After a pip (or break) surfaced on one of the eggs on the evening of April 12, the female revealed a healthy looking hatchling early this morning during a short brooding/incubation break.
May nest on ground on small islands, or on cliffs or giant cactus in western Mexico. Site typically very open to sky. Nest (built by both sexes) is bulky pile of sticks, lined with smaller materials. Birds may use same nest for years, adding material each year, so that nest becomes huge.