Tawny Owl vs Tengmalm's Owl

In short

The Tawny Owl (Strix aluco) and Tengmalm's Owl (Aegolius funereus) can be distinguished by their facial disc and size. Tawny Owls have a rounded facial disc with no distinct border, while Tengmalm's Owls have a more defined, heart-shaped disc. Tawny Owls are generally larger and bulkier than the smaller, more compact Tengmalm's Owl.

Identification tips

1. Facial Disc: Look for the rounded, less defined facial disc of the Tawny Owl versus the heart-shaped, well-defined disc of Tengmalm's Owl. 2. Size: Note the larger size and bulk of the Tawny Owl. 3. Plumage Pattern: Observe the uniform plumage of the Tawny Owl compared to the contrasting, spotted pattern of Tengmalm's Owl. 4. Habitat: Consider the habitat; Tawny Owls are more adaptable to urban areas, while Tengmalm's prefer remote forests. 5. Vocalization: Listen for the hooting of the Tawny Owl versus the whistled notes of Tengmalm's Owl.

Size

Tawny Owls are larger and bulkier compared to the smaller, more compact Tengmalm's Owl.

Plumage

Tawny Owls have a more uniform brown or grey-brown plumage, while Tengmalm's Owls exhibit a more contrasting pattern with white spots on a darker background.

Behaviour

Tawny Owls are more likely to be seen perched in dense foliage during the day, whereas Tengmalm's Owls are more elusive and often remain hidden.

Habitat

Tawny Owls inhabit a variety of wooded areas, including urban parks, while Tengmalm's Owls prefer coniferous forests in more remote, mountainous regions.

Voice

Tawny Owls have a distinctive hooting call, whereas Tengmalm's Owls produce a series of monotonous, whistled notes.