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Bearing The Young Alive: Scientists as well as laymen have difficulty distinguishing between the sexes in lizards. There are too many small structural differences which vary with the species but are not obvious. However, in those species which possess gular sacs or throat fans as does the anole, the difference is obvious, as only the male possesses this struc¬ture.
Lizards may be oviparous, that is, egg-laying; vivi¬parous, that is, bearing the young alive; or ovoviviparous, that is, hatching the eggs within the body so that the young emerge alive.
Ovoviviparous snakes produce the young fully formed but tightly coiled in a thin, transparent membrane. Sometimes this membrane bursts during the process of birth and the young appear to crawl from the mother's body. Usually the membrane is broken by the use of the temporary egg tooth when the young snake struggles to straighten out.
When the young are born alive, the snake is said to be viviparous.See Also One Young About:Gestation takes 16 days; 7-15 in litter; one young about born pink, naked, and blind. Do not disturb one young about or mother for at least a week after birth; if disturbed mother will either kill and eat the one young about or ne¬glect them and allow them to die. After 3 weeks, remove one young about from mother; otherwise, mother fights with them and often kills them. Sexes should be separated before one young about reach maturity at 43 days.
Food changes as creature grows; one young about feed almost en¬tirely on aquatic insects and crustaceans; later take frogs, snakes, and fishes; then fishes, one young about pigs, muskrats, and some waterfowl; adult takes fishes, pigs, and larger animals that stray too close to water's edge, such as cows, calves, and deer.
Voice: Both one young about and old alligators hiss; female grunts like a pig in calling one young about; one young about make moaning sound, with mouth closed.
On The Other Hand See Nests The Young Are Born:In such underground nests the young are born naked and Blind and with their ears closed, un¬like the young of hares and jack rabbits. Their eyes open on the llth day and their ears on the 12th day. They are fully clothed and able to run in two weeks, are self-supporting in one month, and are ready to breed when six months old. The life span is from seven to eight years. Normally silent, the rabbit gives a warning sound of Alarm by thumping the ground with its hind feet and, when captured or mortally wounded, it may utter a single, prolonged, piercing scream.
Description: Like a ball of fur—body small; fur soft, fine, and long; reddish golden above and white underneath; tail short and inconspicuous; front feet with 4 toes, hind with 5
Habitat: Found among rocks and rocky ledges, beneath which digs 6-foot burrows; nocturnal
Reproduction: Can have i litter per month; 7-15 young, born in soft, grasslined nests in burrows
Life span: Short-lived; usually average z years. |
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