Definition of eared grebe in English:

eared grebe

noun

  • (Originally) the horned or Slavonian grebe, Podiceps auritus (now disused); (in later use) the black-necked grebe, P. nigricollis, specifically the North American subspecies P. n. californicus.

Origin

Late 18th century; earliest use found in Philosophical Transactions of the Royal Society of London.