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The merlin (Falco columbarius) is a small species of falcon from the Northern Hemisphere, [2] with numerous subspecies throughout North America and Eurasia. A bird of prey, the merlin breeds in the northern Holarctic; some migrate to subtropical and northern tropical regions in winter. Males typically have wingspans of 53–58 centimetres (21 ...
Most falcon species used in falconry are specialized predators, most adapted to capturing bird prey such as the peregrine falcon and merlin. A notable exception is the use of desert falcons such the saker falcon in ancient and modern falconry in Asia and Western Asia, where hares were and are commonly taken.
As is the case with many birds of prey, falcons have exceptional powers of vision; the visual acuity of one species has been measured at 2.6 times that of human eyes. [11] They are incredibly fast fliers, with the Peregrine falcons having been recorded diving at speeds of 320 km/h (200 mph), making them the fastest-moving creatures on Earth ...
Worldwide, users so far have contributed roughly 1.6 billion bird observations to the app, 50 million photos and 2 million audio recordings. The app can now identify roughly 10,000 species around ...
Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...
[11] [20] The male and female have similar markings and plumage but, as with many birds of prey, the peregrine falcon displays marked sexual dimorphism in size, with the female measuring up to 30% larger than the male. [21] Males weigh 330 to 1,000 g (12–35 oz) and the noticeably larger females weigh 700 to 1,500 g (25–53 oz).
The bird is half male, half female, showing the bright red colors on the right side and the muted brown colors on the left. ... Kratter, who viewed the photos of the cardinal from Levy County ...
The majority of prey is 150g or less, a weight that even the smaller tiercel (male) can carry long distances back to the nest. [17] Most prey is thus 30% or less of the weight of the tiercel, which is a common prey size fraction across numerous species of falcons where the males do the majority of the hunting during the nesting season.