6

White-tailed Eagle

(Haliaeetus albicilla)
Alternate name(s): "White-tailed Sea-Eagle", "Grey Sea-Eagle", "Eurasian Sea-Eagle", "ern", "erne"
German name(s): "Seeadler"

Size: 65-95 cm; wing span 1.8-2.45 m
Body mass: 3.1-5.4 kg (male); 4.0-6.9 kg (female)
Wing loading [g/cm2]: 0.69-0.88
Description     Classification     Distribution     Sightings     Photos     Breeding     Nest     Eggs     Behaviour     Food     Call/s

Physical description

Click here for a physical description

Taxonomy, classification

See White-tailed Eagle at Wikipedia .

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

ADULT

PAIR

Ventral view of a pair of White-tailed Eagles in nuptial(?) flight above their nest (photo courtesy of D. Wilczynska)
[Lomza, Podlachia, Poland, May 2020]

Sex unknown

Near-lateral view of a White-tailed Eagle (photo courtesy of A. Sarok)
[Vojvodina, Serbia, date unknown]

Close-up near-frontal view of a White-tailed Eagle banking to land (photo courtesy of A. Sarok)
[Vojvodina, Serbia, date unknown]

Near-lateral/ventral view of a soaring White-tailed Eagle; note the completely white tail feathers
(photo courtesy of D. Wilczynska)
[River Bug, near Malkinia, Masovia, Poland, June 2018]

Near-lateral/ventral view of a White-tailed Eagle, wings down (photo courtesy of D. Wilczynska)
[River Bug, near Malkinia, Masovia, Poland, June 2018]

Lateral/ventral view of a White-tailed Eagle, wings up (photo courtesy of D. Wilczynska)
[River Bug, near Malkinia, Masovia, Poland, June 2018]

Dorsal view of a White-tailed Eagle in flight (photo courtesy of M. Eaton)
[Skjervoy, near Tromso, Norway, in June 2018]

Near-dorsal/ventral view of a White-tailed Eagle in flight (photo courtesy of D. Wilczynska)
[Lomza, Podlachia, Poland, May 2020]

Dorsal/ventral view of a White-tailed Eagle in flight (photo courtesy of D. Wilczynska)
[Lomza, Podlachia, Poland, May 2020]

Dorsal view of a White-tailed Eagle banking to land (photo courtesy of A. Sarok)
[Vojvodina, Serbia, date unknown]

IMMATURE/JUVENILE

Lateral view of a second-year White-tailed Eagle (photo courtesy of M. Eaton)
[Skjervoy, near Tromso, Norway, in June 2018]

Lateral view of a second-year White-tailed Eagle looking back (photo courtesy of M. Eaton)
[Skjervoy, near Tromso, Norway, in June 2018]

Distant near-frontal/ventral view of a juvenile White-tailed Eagle in flight (photo courtesy of C. Pears)
[Tromso, Norway, September 2024]

Lateral view of a juvenile White-tailed Eagle in flight (photo courtesy of C. Pears)
[Tromso, Norway, September 2024]

Dorsal view of a juvenile White-tailed Eagle in flight (photo courtesy of C. Pears)
[Tromso, Norway, September 2024]

Breeding information

Breeding season: Apr - Sep Eggs: 2 (- 3) Incubation period: 38 - 42 days Fledging age: ca. 70 days

In the southern parts of their range White-tailed Eagles nest from January to July.

Nest

Type: Basket Material: Sticks, branches; with moss, greenery, seaweed or wool lining Height above ground: 8 - 30 m

Aerie of a pair of White-tailed Eagles (photo courtesy of D. Wilczynska)
[Lomza, Podlachia, Poland, May 2020]

Eggs

Size: 73 x 58 mm Colour: Dull-white Shape: Tapered oval

There are significant differences in egg sizes across the species' range, with major axis lengths varying from 66 to 88 mm, and minor axis widths from 53 to 64 mm.

Behaviour

Social behaviour: Territorial Mobility: Partially migratory Elementary unit: Solitary/pair

In areas within Europe with moderate climate (including the coastal fringe of Norway up to the North Cape), White-tailed Eagles are sedentary. Only on the high mountain range of northern Norway, the Kola peninsula and in north-western Russia are they summer breeding migrants.

Call(s)/Song

For this species we have recorded the following call(s)/song. The interpretation of their meaning is our own; comments and suggestions for improvement are welcome.

wteagle_dw_20260718.m4a (Poland) Hunting calls(?) © DW

White-tailed Eagle sound recordings are available at xeno-canto.org .

These pages are largely based on our own observations and those of our contributors. The structure of these bird pages is explained HERE. For more salient facts on any bird species please refer to a field guide.

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If interested, please CLICK HERE. Credits to contributors are given HERE.