Eurasian Bittern vs Black-crowned Night Heron

In short

The Eurasian Bittern and Black-crowned Night Heron are both members of the heron family but differ notably in behavior and habitat preference. The Bittern is more secretive and found in dense reed beds, while the Night Heron is more adaptable, often seen in a variety of wetland habitats. Their plumage and vocalizations also offer clues for identification.

Identification tips

1. Size and Build: Look for the larger, bulkier Eurasian Bittern compared to the more compact Black-crowned Night Heron. 2. Plumage: Note the streaked brown plumage of the Bittern versus the contrasting black and white of the Night Heron. 3. Habitat: Check for dense reed beds for Bitterns and more varied wetland habitats for Night Herons. 4. Vocalization: Listen for the Bittern's booming call and the Night Heron's croak, especially at dusk and night.

Size

Eurasian Bitterns are generally larger and bulkier than Black-crowned Night Herons, with a more robust build.

Plumage

Eurasian Bitterns have a cryptic, streaked brown plumage that blends well with reeds. In contrast, adult Black-crowned Night Herons have a distinctive black cap and back, with gray wings and a white underside, making them more contrasting and easier to spot.

Behaviour

Eurasian Bitterns are highly secretive, often remaining motionless to blend into their surroundings, while Black-crowned Night Herons are more active at dusk and night, often seen foraging in open areas.

Habitat

Eurasian Bitterns prefer dense reed beds in freshwater marshes, while Black-crowned Night Herons are more adaptable, found in a variety of wetland habitats including marshes, rivers, and lakes, often near human settlements.

Voice

The Eurasian Bittern is known for its deep, booming call, especially during the breeding season. Black-crowned Night Herons have a harsh, croaking call, often heard at night.