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Breeding Ospreys are composed of year-round residents and migratory individuals. Year-round residents begin to lay eggs as early as late November through January while migratory ones start to arrive in North America, from the wintering grounds, by December, beginning to breed shortly after arrival.
Ospreys typically breed for the first time when they are 3 or 4 years old. Males return to the breeding grounds before females and select the nest site. Some males perform aerial displays even before females arrive.
Generally, ospreys reach sexual maturity and begin breeding around the age of three to four, though in some regions with high osprey densities, such as Chesapeake Bay in the United States, they may not start breeding until five to seven years old, and there may be a shortage of suitable tall structures. If there are no nesting sites available ...
The Osprey's main breeding range is the straths and lowlands of eastern and central Highlands of Scotland, plus Tayside and central Scotland. Through introductions and ongoing colonisation there are now breeding birds at several sites in southern England and Wales, and many summering birds associated with a number of large wetland complexes.
Evidence suggests ospreys have bred in Ireland for the first time in more than 200 years. The discovery was made at a confidential nest site in County Fermanagh, Ulster Wildlife has said. A...
The Osprey is the only member of its genus, Pandion, and family, Pandionidae. Its distribution is cosmopolitan, occurring on all continents but Antarctica (Winkler et al. 2020). In North America, its breeding range includes much of Alaska and Canada, the Pacific Northwest, and extends down the coasts to Baja California and through the Caribbean ...
Osprey have long migrations to breeding areas in the Pacific Northwest, Canada, and the north Atlantic coast of the United States. Their breeding months range from January through May. Osprey pairs are generally monogamous and often mate for life.
