Japanese Cormorant vs Schrenck's Bittern

In short

The Japanese Cormorant and Schrenck's Bittern are easily distinguished by their size, shape, and habitat preferences. The cormorant is a large, dark waterbird typically found in coastal areas, while the bittern is a smaller, secretive bird of reed beds and marshes.

Identification tips

1. Size and Shape: Look for the larger size and long neck of the Japanese Cormorant compared to the smaller, stockier Schrenck's Bittern. 2. Habitat: Note the habitat; cormorants are in open water, bitterns in marshes. 3. Plumage: Observe the dark plumage with white facial markings on the cormorant versus the streaked, camouflaged appearance of the bittern. 4. Behavior: Watch for diving behavior in cormorants and the skulking, secretive nature of bitterns.

Size

Japanese Cormorant is significantly larger, with a robust body and long neck, compared to the smaller, more compact Schrenck's Bittern.

Plumage

Japanese Cormorant has a mostly dark plumage with a white throat and cheeks, while Schrenck's Bittern features a more cryptic pattern with streaked brown and buff plumage, aiding its camouflage in reeds.

Behaviour

Japanese Cormorant is often seen swimming and diving in open water, while Schrenck's Bittern is more secretive, often remaining still among reeds or flying short distances with rapid wingbeats.

Habitat

Japanese Cormorant is typically found in coastal waters and large inland lakes, whereas Schrenck's Bittern prefers freshwater marshes and dense reed beds.

Voice

Japanese Cormorant is generally silent, except for occasional grunts, while Schrenck's Bittern may produce low, booming calls during the breeding season.