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The tail of one randomly selected male within each group was cut to about 14 centimeters (5 inches) in length. Each removed feather was then glued to the corresponding feather of another male, elongating his tail by 20 to 30 centimeters (8 to 12 inches). The two other males in the group served as controls. One had his tail cut and repaired ...
The barbs near the ends of the two longest central tail feathers fall off, leaving a length of bare shaft so that tails appear racket-shaped. Momotus species, like other motmots, eat small prey such as insects and lizards, and will also take fruit. They nest in tunnels in banks, laying about four white eggs.
The total length of the body (also bill-to-tail length) of a bird is usually measured from dead specimens before being skinned for preservation. The measurement is made by laying the bird on its back, stretching out the neck, making the beak point forward, and measuring between the tip of the bill and the tip of the tail.
Although a complete skeleton has not been found, the species is estimated to have reached a maximum length of 4 meters (13 feet) from snout to tail tip. [4] In 2010 Gregory Paul gave a higher estimation of 6 meters (20 feet) and 350 kg (770 lb). [ 6 ]
The stout bill is bluish-grey with a black tip. They can also be identified by their short, black tail and grey feet. Their completely black tail makes them the only woodswallow lacking white on the tail. Males and females are identical in appearance. Juveniles have a more brownish plumage around their head and mantle that is usually heavily ...
They have a thick body and a relatively long tail. [3] The tail is bicolored and extends greater than one-third the animal's total length. [3] The type specimen measured 185 mm (7.3 in), with a 65 millimetres (2.6 in) tail and a 21 millimetres (0.83 in) hind foot. [5]
The shaft-tailed whydah or queen whydah (Vidua regia) is a small, sparrow-like bird in the genus Vidua.During the breeding season the male has black crown and upper body plumage, golden breast and four elongated black tail shaft feathers with expanded tips.
The northern mockingbird is the state bird of Texas. The list of birds of Texas is the official list of species recorded in the U.S. state of Texas according to the Texas Bird Records Committee (TBRC) of the Texas Ornithological Society. As of January 2024, the list contained 664 species. Of them, 170 are considered review species. Eight species were introduced to Texas, two are known to be ...