Gray rat snakes (certain introduction)
The growth method of gray rat snake is oviparous, and it usually lays eggs in May-June every year, and the number of eggs it usually lays can reach about 9. The incubation period is about 2 months. They begin to hibernate in November and overwinter in rat holes at the base of fields and cemeteries to the south. The hibernation period varies with annual temperature changes, and they start to wake up in March in southern Guangxi.
According to statistics, the female gray rat snake accounts for 52.7% of the male-to-female ratio, the fertilized eggs account for 77.3% of the number of eggs laid, the hatching rate accounts for 59.2% of the number of fertilized eggs, and the natural survival rate can reach 30%. In the wilderness, they like to catch tree frogs, tree frogs, and lizards, as well as small birds, other frogs, and rats. The egg diameter is 29~44 mm×12~20 mm. The eggs are laid under the fallen leaves in the bushes, and there is a situation of egg protection. Hatching takes 35 to 47 days.
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