Philippine Eagle ("Bighani") - 1m Height & 2m Wingspan
maryan54 > albums > Philippine Eagle Center, Davao
Album Info:
(DSC02094) Philippine Eagle (Pithecophaga jefferyi): Courtship - Increased aerial displays, frequent stay near the nest and nest-building activity mark the start of the courtship period. In a study of a pair in 1999, courtship began as early as July. Aerial displays such as mutual soaring (paired soaring flight over the nesting territory), dive chase (diagonal drop by the female with the male trailing in pursuit), and mutual talon presentation (male extending talons to female's back with the female flipping over to present its talons) were documented. The pair also performed cruising flights over the territory, and did frequent advertisement displays coupled with vigorous calling. Delivery of nesting materials, although aimed at building nest, can be a form of display to signal readiness to breed. Repeated copulation on nest and nearby perches marks the peak of courtship. Besides ensuring successful fertilization, frequent copulation is also interpreted as another means to strengthen pair bond. Although different in few details, the courtship behavior observed in this particular pair is generally similar to most diurnal raptors. Courtship displays are expected to aid in the establishment and defense of a nesting territory, attraction of a suitable mate, and the establishment of a strong pair bond, all which are necessary for successful breeding. (Taken from http://www.philippineeagle.org/index?pag eval=thephileagle)
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