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Nephila sp. eating a conspecific. Females exercise mate choice, rejecting unwanted and unfit males by cannibalizing them. [25] Mate choice often correlates size with fitness level; smaller males tend to display a low level of fitness; smaller males are therefore eaten more often because of their undesirable traits. [25]
Dasypeltis is a genus of snakes, also known commonly as egg-eating snakes or egg-eaters, in the subfamily Colubrinae of the family Colubridae. The genus is one of only two taxonomic groups of snakes known to have adapted to feed exclusively on eggs (the other being the genus Elachistodon ).
Egg-eating snake can refer to six different species of snake, found within two genera: Dasypeltis, the group of African egg-eating snakes;
Missouri’s native ecosystems offer a breathtaking display of biodiversity — but some of the state’s natural habitats are under attack. The damage caused by a handful of invasive species can ...
Bull snakes breed in March or April (depending upon their location) and usually lay their eggs in April, May, or June (again, depending upon when the snakes breed). They typically lay 12 eggs in sand or other protected areas and leave the eggs to incubate unprotected. Clutches of five to 22 eggs have been observed. The eggs are elliptical ...
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Size dimorphisms are common in snakes; females tend to be larger in populations where the production of large liters is feasible. Males tend to be larger in mating systems in which male-male competition is a large factor. [33] Hydrophiid snakes, otherwise known as sea snakes, have only recently evolved from terrestrial elapids. [34]
Young fox snakes are usually much lighter in color than adults. [citation needed] Like all reptiles, P. vulpinus reproduces sexually and is an r-strategists according to r/K selection theory. An adult female may lay between 7 and 29 eggs, which generally hatch after about 60 days. Eggs are usually laid under logs, or in rotting wood or humus.