Tuesday, May 29, 2012
Ospreys are unique birds of prey in that they are the only raptor to eat exclusively fish. They are found on five continents worldwide and four subspecies exist. In North Idaho they have one of the largest osprey breeding populations west of the Rockies, thanks to their shallow lakes and ample fishing opportunities.
As with all birds of prey, the females are often larger than the males – some females have wingspans approaching five feet, and weigh up to four pounds; males weigh in at two pounds. They have a characteristic black stripe through the eye and have charcoal and white feathers. In youth the eye is orange, in adulthood it becomes yellow. Ospreys mature after two years of age.
Both the female and male share the brooding