Re: Colubrid Heat Sensing

Posted by Guido on November 30, 1999 at 12:31:03:

In Reply to: Re: Colubrid Heat Sensing posted by mike on October 28, 1999 at 14:29:07:

: I've noticed thermal orientation in captive colubrids. Remember, heat-sensing organs in boids and crotalids were selected for on the basis of pre-existing sensory neurons, and most vertebrates have heat-sensitive neurons, so it's not really surprising.

: : I seem to recall reading somewhere that some colubrids have primitive heat sensing capabilities, along the lines of
: : crotalids and boids. Does anyone have info on this?

I recall that Dr. Tom Swain was working on the heat sensitivty of Pituophis at the UNiversity of Colorado (Boulder). He was there in the late eighties but I lost contact with him. You might ask Hobart Smith (same University) about that.
Guido

P.S. If you find out about where to find Dr. Tom Swain now, I'd love to get a note.

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: : I've noticed thermal orientation in captive colubrids. Remember, heat-sensing organs in boids and crotalids were selected for on the basis of pre-existing sensory neurons, and most vertebrates have heat-sensitive neurons, so it's not really surprising. : : : I seem to recall reading somewhere that some colubrids have primitive heat sensing capabilities, along the lines of : : : crotalids and boids. Does anyone have info on this? : I recall that Dr. Tom Swain was working on the heat sensitivty of Pituophis at the UNiversity of Colorado (Boulder). He was there in the late eighties but I lost contact with him. You might ask Hobart Smith (same University) about that. : Guido : P.S. If you find out about where to find Dr. Tom Swain now, I'd love to get a note.

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