In certain tropical wintering areas, what percentage can small crabs constitute of the Whimbrel's diet?

Answer

Over 70%

When wintering in some tropical areas, crabs can form an extremely high portion of the diet, sometimes making up more than 70% of their intake.

In certain tropical wintering areas, what percentage can small crabs constitute of the Whimbrel's diet?
foodbehaviorbirdwhimbrelforaging