Lowlands hump-nosed pit viper
Hypnale zara, the lowlands hump-nosed pit viper, is a venomous pitviper species endemic to Sri Lanka. It is distinguished from Hypnale nepa by variably colored body and less upcurved snout. No subspecies are currently recognized.
Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal",...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
Ovoviviparity, ovovivipary, ovivipary, or aplacental viviparity is a term used as a "bridging" form of reproduction between egg-laying oviparous an...
Venom is a type of poison, especially one secreted by an animal. It is delivered in a bite, sting, or similar action. Venom has evolved in terrestr...
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starts withHypnale zara has 10-19 minute scales from wart-like protuberance on the snout tip. 18-39 heterogeneous small scales on inter nasal to prefromtal region can be seen, along with six scales around the eye, and seven to eight. supralabials. Costal scales are keeled. Ventrals are 134–157 in number. Subcaudals may be 34–51.
Dorsum color ranges from yellowish brown to dark brown, sometimes deep red. Two rows of distinct sub-oval or sub-triangular blotches meet on vertebral region. There is a dark stripe across eye and cheek. Venter is lighter than dorsum, sometimes light ash-gray.
Hypnale zara is ovoviviparous.
