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A wing-clipped Meyer's parrot perching on a drawer handle. While clipping is endorsed by some avian veterinarians, others oppose it. [7]By restricting flight, wing clipping may help prevent indoor birds from risking injury from ceiling fans or flying into large windows, but no evidence shows that clipped birds are safer than full-winged ones, only that clipped birds are subject to different ...
Fish locomotion is the various types of animal locomotion used by fish, principally by swimming. This is achieved in different groups of fish by a variety of mechanisms of propulsion, most often by wave-like lateral flexions of the fish's body and tail in the water, and in various specialised fish by motions of the fins.
Butterflying pork loin. Butterflying is a way of preparing meat, fish, or poultry for cooking by cutting it almost in two, but leaving the two parts connected; it is then often boned and flattened. [ 1] Spatchcocking is a specific method for butterflying poultry that involves removing the backbone, and spatchcock as a noun may refer to a bird ...
An adult bird which has been beak-trimmed as a chick. Beak trimming (also spelled as beak-trimming; informally as debeaking), or beak conditioning, is the partial removal of the beak of poultry, especially layer hens and turkeys, although it is also be performed on some quail and ducks. When multiple birds are confined in small spaces due to ...
Tradeoffs for locomotion in air and water. Penguins swim by "flying" beneath the surface of the water. Flying fish use their pectoral fins to glide above the water's surface. Certain species of fish and birds are able to locomote in both air and water, two fluid media with very different properties. A fluid is a particular phase of matter that ...
There is an intricate link between various fishing techniques and knowledge about the fish and their behaviour including migration, foraging and habitat. The effective use of fishing techniques often depends on this additional knowledge. [1] Which techniques are appropriate is dictated mainly by the target species and by its habitat. [2]
Aquatic locomotion. A great cormorant swimming. Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals.
The cut-throat finch has plumage that is pale, sandy brown with flecks of black all over. It has a black-brown tail, a thick white chin and cheeks, and a chestnut brown patch on the belly. The legs are a pink fleshy colour. The adult male has a bright red band across its throat (thus the name "cut throat"), while the male juveniles have a ...