Assume that the fish have an average mass of 280g. The average caloric value is 8kcal/g. The heron
is able to digest 60% of the fishesâ€™ mass. How many will it need to eat to sustain its caloric intake of
3,000kcal/day?

1. 3000kcal/day / (280g/fish * 8kcal/g * 60%) = 2.2 fish/day

posted by Steve
2. Thank you SO much

posted by Aidan

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