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The gyrfalcon is larger, broader-winged and longer-tailed than the peregrine falcon, which it is known to compete with (and occasionally hunt). It differs from the buzzard in general structure, having pointed wings. The gyrfalcon is a very polymorphic species, so its plumage varies greatly. The archetypal morphs are called "white", "silver ...
The morphology of the syrinx, ... The largest falcon is the gyrfalcon at up to 65 cm (26 in) in length. The smallest falcon species is the pygmy falcon, ...
The falcons and caracaras are around 65 species of diurnal birds of prey that make up the family Falconidae (representing all extant species in the order Falconiformes).The family likely originated in South America during the Paleocene [1] and is divided into three subfamilies: Herpetotherinae, which includes the laughing falcon and forest falcons; Polyborinae, which includes the spot-winged ...
Falconidae is a family of diurnal birds of prey and includes caracaras, laughing falcon, forest falcons, falconets, pygmy falcons, falcons and kestrels.They are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weigh as little as 35 grams (1.2 oz), to the gyrfalcon, which can weigh as much as 1,735 grams (61.2 oz).
A juvenile American kestrel (Falco sparverius) perched on the roof of a car in Boston. Most species termed kestrels appear to form a distinct clade among the falcons, as suggested by comparison of mtDNA cytochrome b sequence data [1] and morphology.
Gyrfalcon: Falco rusticolus: Falconidae: 80–100 km/h 50–62 mph 145 km/h 90 mph [11] 187–209 km/h 116–130 mph [12] High-speed dive—pointed long wings
Insect morphology Legend of body parts Tagmata: A – Head, B – Thorax, C – Abdomen. antenna; ocelli (lower) ocelli (upper) compound eye; brain (cerebral ganglia)
In Hungarian the word sólyom means falcon, and there are three ancient words describing different kinds of falcons: kerecsen [Greek κερχνηίς] (saker falcon), zongor [Turkish sungur = gyrfalcon] (which survives in the male name Csongor) and turul.