Species:

Purple Heron (Ardea purpurea)

Boreal Owl (Aegolius funereus)

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Length (cm):
78-90
24-26
Wingspan (cm):
120-150
54-62
Weight (gram):
525-1218
100-190
Size group:
Bigger than a crow
Thrush-size
Main Texts:
Appearance:

Most similar to Grey Heron but leaves a much darker impression, has a slimmer body, neck and wings. The bill is markedly thinner and is almost level with the flat forehead. Adult birds have black longitudinal stripes along the rufous sides of the neck, and a black crown. Immature birds have more diffuse streaking, and are sandy brown instead of grey. Coverts are also brownish, and partially remains in first summer birds. In flight the dark underwings of adult birds are obvious. The folded neck creates a bigger and more angular bulge and the very long toes are often sprawled. More secretive behaviour than Grey Heron.

Sound:

Quite similar to Grey Heron, but not so vocal. Pitch slightly higher and remains stable throughout the short call. Volume muffled and timbre drier.

Call:

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See sound file


Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

Appearance:

Small owl with large, square head and spotted upperparts. Eyes bright yellow and facial disks white. "Astonished" expression. Size approximates that of Little Owl, but appears more bulky. Head much larger than in Pygmy Owl, and flight pattern includes interspersed glides without bounding. Seldom seen in the open.

Sound:

Song consists of fast series of fairly deep whistling notes "po-po-po-po-po-po-po-po", slightly ascending in pitch, and descending in the last few syllables. Phrase includes up to 25 units. Other calls include a drawn-out, squeaky "kweeat" and some peculiar, explosive sounds with an almost "electronic" quality.

Song:

Error loading Flash for sound!
See sound file


Distribution:

Wikipedia: map (se also Xeno-canto below)

Ecology:

Birdlife ecology

Links:

Observation.org Latest observations

Video IBC

Image search Flickr NB! May give other species

Sound search at Xeno-canto

Featherbase

CC

CC-photo:Stefan Berndtsson, Licence,Link,

Similar species (image):
Similar species (sound):
Silhouette Group:
Heron-like
Silhouette
Owls
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Several different images of the species
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Several different sounds of the species
Error loading Flash for sound!
See sound file
Error loading Flash for sound!
See sound file