Podiceps nigricollis, commonly known as the Black-necked Grebe, is a member of the Aves class found in various regions, including the Comunidad Valenciana. This small water bird is notable for its striking appearance and distinctive behaviors.

• Appearance: During the breeding season, the Black-necked Grebe exhibits a striking plumage with a black neck, rich chestnut flanks, and a golden crest of feathers behind the eyes. Outside of the breeding season, its plumage becomes much duller, predominantly grey and white.
• Habitat: In the Comunidad Valenciana, this species is often found in lakes, ponds, and marshes. It is a skilled swimmer and diver, capable of catching aquatic insects and crustaceans.
• Behavior: Black-necked Grebes are known for their elaborate courtship displays, which include synchronized swimming and vocalizations. They are sociable birds, often found in large flocks outside the breeding season.
• Local Name: In the Comunidad Valenciana, the species might also be referred to by its local name, "Zampullín Cuellirrojo."
• Conservation: While not currently considered under threat, the Black-necked Grebe's habitats are vulnerable to pollution and environmental changes, making conservation efforts important for their wellbeing.

This bird is a fascinating example of the diverse avian life present in the Comunidad Valenciana, offering both residents and visitors the opportunity to witness its unique beauty and behaviors.