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In the common collared lizard Crotaphytus collaris, males display their locomotive skills in order to attract a female by getting to territory and resources first. [11] Faster males have energy to spend when it comes to obtaining food and territory [ 11 ] and are protective of their female mate and have a higher reproductive success and mate ...
The northern scarlet snake is a secretive, burrowing species, preferring habitats of soft soils, often in open forested areas or developed agricultural land. They spend most of their time hidden, emerging to feed on small rodents and lizards, but they have a particular taste for reptile eggs, swallowing them whole or puncturing them and consuming the contents.
Sperm storage organs in the fruit fly Drosophila melanogaster.Female was first mated with GFP-male and then re-mated with RFP-male. Female sperm storage is a biological process and often a type of sexual selection in which sperm cells transferred to a female during mating are temporarily retained within a specific part of the reproductive tract before the oocyte, or egg, is fertilized.
Dasypeltis species are readily available in the exotic pet trade, but due to their unique dietary needs they can be a challenge to keep in captivity. Most egg-eating snakes never get large enough to consume typical chicken eggs, so smaller ones must be provided, such as finch or quail eggs .
All snakes are strictly carnivorous, preying on small animals including lizards, frogs, other snakes, small mammals, birds, eggs, fish, snails, worms, and insects. [26]: 81 [27] [101] Snakes cannot bite or tear their food to pieces so must swallow their prey whole. The eating habits of a snake are largely influenced by body size; smaller snakes ...
Parthenogenesis is a mode of asexual reproduction in which offspring are produced by females without the genetic contribution of a male. Among all the sexual vertebrates, the only examples of true parthenogenesis, in which all-female populations reproduce without the involvement of males, are found in squamate reptiles (snakes and lizards). [1]
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The energy efficiency of snakes is higher than expected for carnivores, due to their ectothermy and low metabolism. Waste protein from the poultry and pig industries is used as feed in snake farms. [171] Snake farms produce meat, snake skin, and antivenom. Turtle farming is another known but controversial practice. Turtles have been farmed for ...