Aquila adalberti
Silhouette: Andy Wilson · PhyloPic
In 3 days ~40% in a week ~60%
The Spanish imperial eagle, Spanish eagle, Iberian imperial eagle or Adalbert's eagle (Aquila adalberti) is a species of eagle native to the Iberian Peninsula. The binomial commemorates Prince Adalbert of Bavaria. Due to its distinct "epaulettes", old literature often referred to this species as the white-shouldered eagle.
Formerly, the Spanish imperial eagle was considered to be a subspecies of the eastern imperial eagle, then known simply as the imperial eagle, but is now widely recognised as a separate species due to differences in morphology, ecology, and molecular characteristics.
This is a large raptor and quite large eagle, broadly similar in size to its cousin, the eastern imperial eagle, which is found in a considerably different distributional range. Compared to sympatric largish booted eagles, it is somewhat smaller than the golden eagle and somewhat larger than Bonelli's eagle. Spanish imperial eagles can weigh from 2.5 to 4.8 kg (5.5 to 10.6 lb). The average weight of males in a sample of 10 was 3.19 kg (7.0 lb) while that of 17 females was found to be 3.43 kg (7.6 lb). Meanwhile, another sample of 10 unsexed adults weighed an average of 3.93 kg (8.7... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monfragüe National Park | 🇪🇸 Spain | |
| 2 | Doñana National Park | 🇪🇸 Spain | |
| 3 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Madrid | 🇪🇸 Spain |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Zoobotánico Jerez | 🇪🇸 Spain | |
| 2 | Zoo de Guadalajara | 🇪🇸 Spain | |
| 3 | Zoo de Córdoba | 🇪🇸 Spain | |
| 4 | Centro de Recuperación de Rapaces Brinzal | 🇪🇸 Spain | |
| 5 | Bird Park | 🇷🇺 Russia |
With luck
About 10% of wildlife watchers report an Adalbert's Eagle sighting in Monfragüe National Park on a given day, based on 596 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 79th most-seen of the 205 birds we can rate there. Over three days the chance rises to about 40%, and over a week to about 60%, if each day is a fresh chance.
February to May
In those months about 20% of wildlife watchers report an Adalbert's Eagle in Monfragüe National Park on a given day, against under 5% in July, October and December, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Adalbert's Eagle sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 3 parks where we can rate Adalbert's Eagle sightings, Monfragüe National Park has the highest daily chance: about 10%. Next come Doñana National Park (Spain, about 10%) and Sierra de Guadarrama National Park (Spain, under 5%).
Same genus: Aquila
The closest relatives of the Adalbert's Eagle that you can see in Monfragüe National Park (genus Aquila, True Eagles) are Bonelli's Eagle (about 10%) and Golden Eagle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Adalbert's Eagle is recorded against all the birds logged in Monfragüe National Park (596 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
