How long will a willow warbler stay full after eating a human

A willow warbler (7–11 grams, 4 years 11 months) can feed on a human (62–76 kilograms, 33 years): one prey keeps it full for 18–26 years, so it needs about 0 per day.

How long does a human last a willow warbler?

About 18–26 years.

How many humans does a willow warbler eat per day?

About 0 per day.

How is it worked out how long the food lasts?

We look at how much food such an animal needs per day and how much there is in the prey; other masses can be set in the calculator.