Pelagic Cormorant vs Double-crested Cormorant

In short

The Pelagic Cormorant and Double-crested Cormorant are both members of the cormorant family but differ in size, plumage, and behavior. The Pelagic Cormorant is smaller and more slender, with a distinctive glossy plumage, while the Double-crested Cormorant is larger and more robust, often seen in larger groups.

Identification tips

1. Size and Shape: Look for the smaller, more slender Pelagic Cormorant versus the larger, bulkier Double-crested Cormorant. 2. Plumage: Note the glossy, iridescent plumage of the Pelagic Cormorant compared to the darker, less glossy plumage of the Double-crested Cormorant. 3. Behavior: Observe the solitary nature of the Pelagic Cormorant versus the social behavior of the Double-crested Cormorant. 4. Habitat: Consider the habitat, with Pelagic Cormorants favoring rocky coastlines and Double-crested Cormorants found in a variety of aquatic environments.

Size

The Pelagic Cormorant is smaller and more slender compared to the larger, more robust Double-crested Cormorant.

Plumage

Pelagic Cormorants have a glossy, iridescent plumage with a long, thin neck and a small head. In contrast, Double-crested Cormorants have a bulkier appearance with a less glossy, darker plumage and distinctive tufts on their heads during the breeding season.

Behaviour

Pelagic Cormorants are more solitary and often seen alone or in small groups, while Double-crested Cormorants are more social, frequently seen in larger groups and colonies.

Habitat

Pelagic Cormorants are typically found along rocky coastlines and cliffs, whereas Double-crested Cormorants inhabit a wider range of aquatic environments, including lakes, rivers, and coastal areas.