Yellow Amazon Tree boas were only occasionally seen on Madre Selva Preserve.

One of the first snake species that I saw at Madre Selva Biological Preserve was coiled high in the rafters of the old kitchen building. From my vantage point the snake appeared to be clad entirely in scales of “old rafter brown.” Tree Boa? Amazon Tree Boa? Could it really be? Could I be that lucky? Segundo, having been summoned, clambered up to the rafters, grasped the snake (that reacted in typical tree boa style) and was soundly bitten during his one-handed decent. He then handed the irate snake to me.

Since that first sighting, I’ve seen many Amazon Tree Boas, Corallus hortulanus, many of various shades of brown, some being brown and orange, other being yellow, and a few being a beautiful blood red. Some I caught, some Segundo caught, others by other of our guides. But somehow, somewhere during the photographing sessions, almost all of the snakes retaliated for having been disturbed and immortalized in a “toothsome” manner. Any of you who have kept these interesting boas will understand why I tell the participants on our herp tours, “Amazon Tree Boas just don’t play nice.”

But that has never dissuaded our tour groups or me from seeking the arboreal gems. Besides in the open-air buildings, we have found tree boas high in trees, others were dangling by their strongly prehensile tail, boa face at human face level, from vines that crisscross above our trails (if not noticed these could have resulted in a real “ouch encounter”). Others have been just coiled quietly atop stumps. On one trip, one of the dangling boas, a yellow example (pictured here) was seen on four of the six nights that we were at the preserve.

The tree boas found have varied in length from 18 inch juvies to 4 to 5 foot long adults.