What is "pallas's sandgrouse"

n. Eurasiatic sandgrouse with a black patch on the belly [syn: Syrrhaptes paradoxus]

The Pallas's sandgrouse (Syrrhaptes paradoxus) is a medium large bird in the sandgrouse family named after the German zoologist Peter Simon Pallas. The scientific name is from Ancient Greek. The genus Syrrhaptes is from surrhaptos, "sewn together" (the feathered toes of both species in the genus are fused together) and paradoxus is from paradoxos, "strange".