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South American green snake (Philodryas baroni)

South American green snake
South American green snake
Personal information
One male and one female South American green snake reside here at the Zoo. The male, born in 2009, came to the Zoo in 2010, while the female, born in 2006 arrived in the same year.

Status in the wild
International Union for the Conservation of Nature (IUCN) Red List status: Unlisted. They are threatened by commercial harvesting and by loss of habitat.

Habitat
Found in Argentina, Bolivia and Paraguay. They are at home in gallery forests - evergreen forests that form along aquatic corridors - and in the trees of the surrounding savannahs.

Diet
Young birds, small lizards and occasionally amphibians.
  • Female green snakes lay a scent trail when receptive. Males follow and the female may prolong the pursuit until is fully ready.
  • This snake is an opisthoglyphous snake, meaning they possess weak venom, produced by an organ called a Duvernoy's gland and injected by a pair of enlarged teeth at the back of the maxillae, which normally angle backwards and are grooved to channel venom into the puncture.
  • These snakes occur in two color morphs: brown and green. In some cases, the green morph can take on a bluish, sometimes turquoise, hue.