Dark-billed Cuckoo vs Black-billed Magpie

In short

The Dark-billed Cuckoo and Black-billed Magpie are distinct in appearance and behavior. The cuckoo is a slender bird with a dark bill, while the magpie is larger with striking black and white plumage and a long tail. Their habitats and behaviors also differ significantly, aiding in identification.

Identification tips

1. Look for the dark bill and slender body of the Dark-billed Cuckoo. 2. Note the bold black and white plumage and long tail of the Black-billed Magpie. 3. Consider the habitat: cuckoos in South American lowlands vs. magpies in North American open areas. 4. Listen for the magpie's loud chatter compared to the cuckoo's quieter calls.

Size

The Black-billed Magpie is larger and more robust compared to the slender Dark-billed Cuckoo.

Plumage

The Dark-billed Cuckoo has a more uniform plumage with a dark bill, while the Black-billed Magpie is characterized by its bold black and white plumage and iridescent blue-green wings and tail.

Behaviour

The Dark-billed Cuckoo is solitary and primarily insectivorous, whereas the Black-billed Magpie is social, often seen in groups, and has a more varied diet.

Habitat

Dark-billed Cuckoos are found in a range of altitudes in South America, often in lowland areas, while Black-billed Magpies are common in open habitats across North America.

Voice

The Black-billed Magpie is known for its loud, chattering calls, which are quite different from the more subdued calls of the Dark-billed Cuckoo.