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%

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 = 0,22 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).