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Ruff

Waders & Shorebirds

Calidris pugnax

Basic stats

Diet

Insects, seeds, small invertebrates

Habitat

Paddies, wet grassland, mudflats

Range

Breeds northern Eurasia, winters to Africa and Asia

Clutch size

4 eggs

Incubation period

About 20–23 days

Size

Medium, males larger (males 29–32cm, females 22–26cm)

Wingspan

~54–58cm

Weight

~70–230g

A variable, pot-bellied wader with a small head and slightly down-curved bill, non-breeding birds scaly brown above with notable size difference between sexes.

An uncommon passage migrant and winter visitor to Borneo's paddies and wet grassland, often associating loosely with other freshwater waders.

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