Podiceps Nigricollis is a type of bird that is commonly known as a black-necked grebe. This species of bird can be found throughout parts of Europe and Asia, where it inhabits freshwater lakes, ponds, and marshes. While the scientific name of this bird is Podiceps Nigricollis, it is also known in various languages by different synonyms. Some synonyms for Podiceps Nigricollis include the Eurasian black-necked grebe, black-throated diver, and the heuglin's grebe. These synonyms are often used interchangeably to refer to this species of bird, which is known for its striking black and white plumage and distinctive red eyes.