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The coyote (Canis latrans), also known as the American jackal, prairie wolf, or brush wolf, is a species of canine native to North America.It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf.
Coyotes and wolves first hybridized in the Great Lakes region, followed by a hybrid coyote expansion that created the largest mammalian hybrid zone known. [7] In 2014, a DNA study of northeastern coyotes showed them on average to be a hybrid of western coyote (62%), western wolf (14%), eastern wolf (13%), and domestic dog (11%) in their nuclear ...
Now, this remarkable club of life-cycle-reversing organisms includes the comb jelly Mnemiopsis leidyi, adding a new chapter to what is understood about animal regeneration and development. Image ...
Sexual reproduction is the most common life cycle in multicellular eukaryotes, such as animals, fungi and plants. [6] [7] Sexual reproduction also occurs in some unicellular eukaryotes. [2] [8] Sexual reproduction does not occur in prokaryotes, unicellular organisms without cell nuclei, such as bacteria and archaea.
In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of stages of the life of an organism, that begins as a zygote, often in an egg, and concludes as an adult that reproduces, producing an offspring in the form of a new zygote which then itself goes through the same series of stages, the ...
Coyotes and wolves hybridized in the Great Lakes region, followed by an eastern coyote expansion, creating the largest mammalian hybrid zone known. [16] Extensive hunting of gray wolves over a period of 400 years caused a population decline that reduced the number of suitable mates, thus facilitating coyote genes swamping into the eastern wolf ...
A researcher studying the impact of coyotes in the city of Austin, Texas found that urban coyote management techniques, including steps to trap and remove coyotes who were exhibiting bold or aggressive behavior, as well as efforts to educate the public about not feeding the animals, had had a positive effect in lessening possible risk to humans or to pets. [14]
Coyote range now includes most of North and Central America. [5] Studies suggest that the parasite may be widespread among wildlife and that infection cycles cross over between wild and domestic animals. [10] Recent studies have broadened the list of known intermediate hosts to include birds. [11]