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The traditional term for a male falcon is tercel (British spelling) or tiercel (American spelling), from the Latin tertius because of the belief that only one in three eggs hatched a male bird. Some sources give the etymology as deriving from the fact that a male falcon is about one-third smaller than a female [ 18 ] [ 19 ] [ 20 ] ( Old French ...
The male (called the "tiercel") and the female (simply called the "falcon") both leave the nest to gather prey to feed the young. [58] The hunting territory of the parents can extend a radius of 19 to 24 km (12 to 15 mi) from the nest site. [96] Chicks fledge 42 to 46 days after hatching, and remain dependent on their parents for up to two ...
The male falcon is at least 10 years old, the female 11. This year, the female laid her first egg on March 20, the earliest ever for this nesting pair. The next came the morning of March 23, the ...
Extraordinary images from this year’s Bird Photographer of the Year award showcase the beauty of birds. Fierce falcon photo takes top prize in bird photography contest Skip to main content
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In 1986, a lost captive-bred female prairie falcon (which had been cross-fostered by an adult peregrine in captivity) mated with a wild male peregrine in Utah. The prairie falcon was trapped and the eggs removed, incubated, and hatched, and the hybrid offspring were given to falconers. The wild peregrine paired with another peregrine the next year.
The Trendak Tercel (transl. a male falcon) is a Polish autogyro designed and produced by Aviation Artur Trendak of Jaktorów-Kolonia, Poland, introduced at the AERO Friedrichshafen show in 2014. The aircraft is supplied complete and ready-to-fly.