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Trichomonas gallinae. ( Rivolta, 1878) Trichomonas gallinae is a cosmopolitan parasite of birds including finches, pigeons, doves, turkeys, chickens, parrots, and raptors ( hawks, golden eagle, etc.). The condition in birds of prey is called frounce. [ 1] It is believed to be an ancient pathogen causing frounce-like symptoms in theropod ...
Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds). In addition to speed and strength, these predators have keen eyesight for detecting prey from a distance or during flight, strong feet with sharp talons ...
The crested caracara ( Caracara plancus ), also known as the Mexican eagle, [ 3] is a bird of prey in the falcon family, Falconidae (formerly in the genus Polyborus ). It is found from the southern and southeastern United States through Mexico (where it is present in every state) and Central and South America, as well as some Caribbean islands.
Thermogenesis. v. t. e. The group that includes mammals and birds, both "warm-blooded" homeothermic animals (in red) is polyphyletic. Homeothermy, homothermy or homoiothermy[ 1] is thermoregulation that maintains a stable internal body temperature regardless of external influence. This internal body temperature is often, though not necessarily ...
Harris's hawk ( Parabuteo unicinctus ), formerly known as the bay-winged hawk, dusky hawk, and sometimes wolf hawk, and known in Latin America as the peuco, is a medium-large bird of prey that breeds from the southwestern United States south to Chile, central Argentina, and Brazil. This bird is sometimes reported to be at large in Western ...
[2] [15] Tardigrades are prevalent in mosses and lichens and feed on plant cells, algae, and small invertebrates. When collected, they may be viewed under a low-power microscope, making them accessible to students and amateur scientists. [16]
Dioecy. Gonochorism. Hermaphrodite. v. t. e. Temperature-dependent sex determination ( TSD) is a type of environmental sex determination in which the temperatures experienced during embryonic/larval development determine the sex of the offspring. [ 1] It is observed in reptiles and teleost fish, with some reports of it occurring in species of ...
Triiodothyronine, also known as T 3, is a thyroid hormone. It affects almost every physiological process in the body, including growth and development, metabolism, body temperature, and heart rate. [1] Production of T 3 and its prohormone thyroxine (T 4) is activated by thyroid-stimulating hormone (TSH