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Crotalus basiliscus, known as the Mexican west coast rattlesnake, [3] Mexican green rattler, and also by other names, [4] is a species of pit viper in the family Viperidae. The species is endemic to western Mexico .
Mexican ornithologist Rafael Martín del Campo proposed that the northern caracara was possibly the sacred "eagle" depicted in several pre-Columbian Aztec codices, as well as the Florentine Codex. This imagery was adopted as a national symbol of Mexico , but it is not the bird depicted on the flag , which is a golden eagle ( Aquila chrysaetos ...
The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]
Anhingas are often called "snake-birds" because of their long thin neck, which gives a snake-like appearance when they swim with their bodies submerged. The males have black and dark-brown plumage, an erectile crest on the nape, and a larger bill than the female. The females have much paler plumage especially on the neck and underparts.
Ophiophagy (Greek: ὄφις + φαγία, lit. ' snake eating ') is a specialized form of feeding or alimentary behavior of animals which hunt and eat snakes.There are ophiophagous mammals (such as the skunks and the mongooses), birds (such as snake eagles, the secretarybird, and some hawks), lizards (such as the common collared lizard), and even other snakes, such as the Central and South ...
The cloaca is the posterior body opening through which snakes both excrete waste and reproduce. If the female wants to mate, she lifts her tail and allows him to mate with her. The snakes can mate for several hours, and if one of the snakes decides to move, the other is dragged along. Females might mate with several males in a season.
Leptophis mexicanus, commonly known as the Mexican parrot snake, is a species of medium-sized slender snake in the family Colubridae. The species is endemic to the Americas . Geographic range
Bird-eating raptors also tend to show greater sexual dimorphism than other raptors, with the females being larger than the males. [ 2 ] Some avian avivores such as the shikra , besra , Eurasian sparrowhawk , and sharp-shinned hawk catch their prey by flying from cover in a tree or bush, taking their prey unawares.