Zoo database

Eurasian eagle-owl

Bubo bubo

Natural diet Eurasian eagle-owl

Vertebrates

Eurasian eagle-owls are a carnivorous species who hunt for different prey species. A large part of their diet consist out of vertebrates such as small mammals and birds. A smaller fraction consists of reptiles, amphibians and insects. Opportunistically, fish are also consumed.

Feeding advice Eurasian eagle-owl

Feed quantity per day

6-10% of body weight

Sample percentage calculation

If an animal weighs 2.7 kg and eats 8% of its body weight, it will get

2.7 x 0.08 = 0.216 kg feed in total per day

Feed composition

99% Meat products and whole prey
1% Supplements

Proportions (fresh product)

0.99 x 0.216 kg = 213.8 g meat products and whole prey
0.01 x 0.216 kg = 2.2 g supplements

Diet suggestions

Not recommended

Live prey

Additional advice

Divide the “Feed quantity per day” over one feeding moment per day.
When feeding thawed whole prey, then supplementation is recommended.
The supplements should be given according to the appropriate dosage that is mentioned on the labelling.
Stimulate foraging behaviour by using stacking or hanging the prey. Another method is to use feed puzzles and feeding whole prey (read more about feed enrichment and foraging behaviour).

Common diseases

An unbalanced diet may result in one of these more commonly occurring diseases/conditions:

Metabolic bone disease
Amyloidosis
Bumblefoot
Molting Disorders
Obesity

Feed quantity per day

Sample percentage calculation

Feed composition

Proportions (fresh product)

Carnizoo

DK Whole Prey supplement

Eintagsküken (schwarzer Karton)

Kleine Ratte 90-150 g

Marieke Post

Manager R&D & QA