This guide is based on wikipedia's list of birds of Germany with accidentals removed to keep the guide under 500 entries.
The Horned Grebe (Podiceps auritus) is a member of the grebe family of water birds. It is also known as the Slavonian Grebe. It is an excellent swimmer and diver, and pursues its fish prey underwater. P. auritus is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
The Great Crested Grebe (Podiceps cristatus) is a member of the grebe family of water birds.
The Red-necked Grebe (Podiceps grisegena) is a migratory aquatic bird found in the temperate regions of the northern hemisphere. Its wintering habitat is largely restricted to calm waters just beyond the waves around ocean coasts, although some birds may winter on large lakes. Grebes prefer shallow bodies of fresh water such as lakes, marshes or fish-ponds as breeding ...more ↓
The Black-necked Grebe (Podiceps nigricollis) known in North America as the Eared Grebe, is a member of the grebe family of water birds. It occurs on every continent except Australia and Antarctica.
The Little Grebe (Tachybaptus ruficollis), also known as Dabchick, is a member of the grebe family of water birds. At 23 to 29 cm in length it is the smallest European member of its family. It is commonly found in open bodies of water across most of its range.