Podiceps Grisegena is commonly known as the red-necked grebe, a waterbird species found in the Northern Hemisphere. The name Podiceps Grisegena is derived from the Latin words "podicis" meaning vent or anus, and "ceps" meaning head. This refers to the bird's habit of carrying its young upon its back as if they were riding on its head. Synonyms for Podiceps Grisegena include the grey-crowned grebe and the Holboell's grebe. These synonyms are used interchangeably in various bird guides and literature. The red-necked grebe is known for its striking red neck and black and white feather pattern, making it a popular sighting among birdwatchers.