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Amanda M. Cottone, Aaron M. Bauer, 2008
Prey excavation by Psammophylax rhombeatus rhombeatus (Colubridae: Psammophiinae) from South Africa.
Herpetological Bulletin, 103.

The authors witnessed a case of prey excavation by P. r. rhomabeatus during their radiotelemetric study in the Western Cape Province in 2006, about which an article will be published in short time.

The animal (an adult male of 49,2 cm length was observed using its head and neck (in a way as showed by a P. schokari in my video on youtube at one of my video's of P. schokari, starting at 1:17) to dig sand out of a deep burrow, probably made by some mammal. The posterior part of the body and tail were anchored around a bush as the snake entered and exited the steep entrance to the burrow. In about 13 minutes the snake excavated a burrowing Namaqua rain frog which he subsequently swallowed. The authors remark that during this excavation and igestion the snake was not in the least affected by the presence of the obervers at a distance of no more than ca. 1,5 meter.