Zoo database

Eurasian eagle-owl

Bubo bubo

Natural diet Eurasian eagle-owl

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.

Vertebrates
Vertebrates

Feeding advice Eurasian eagle-owl

Feed quantity per day

6-10%

Example percentage calculation

If an animal weighs 2.7 kg and eats 8% of its body weight, it will get
 
2.7 x 0.08 = 0.22 kg feed in total per day

Feed composition

99% Meat and whole prey
1% Supplements

Proportions (fresh product)

0.99 x 0.22 kg = 214 g meat and whole prey
0.01 x 0.22 kg = 2 g supplements

Diet suggestions

Recommended

Variety of prey
Whole prey
Supplements

Not recommended

Live prey

Common diseases

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

  • Metabolic bone disease
  • Amyloidosis
  • Bumblefoot
  • Molting Disorders
  • Obesity

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).
Eurasian eagle-owl | Kiezebrink