How long will a tufted duck stay full after eating a human
A tufted duck (0.7–0.77 kilograms, 18 years 10 months) can feed on a human (62–76 kilograms, 33 years): one prey keeps it full for 1 year, so it needs about 0.002 per day.
How long does a human last a tufted duck?
About 1 year.
How many humans does a tufted duck eat per day?
About 0.002 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.