Redshank: Ecology, Habitat and Conservation

Common Redshank (Tringa totanus): An Ecological Profile

The redshank is a medium-sized wading bird named for its distinctive bright orange-red legs. Once one of Britain's most abundant estuarine and grassland wading birds, the redshank has suffered significant population declines — particularly in its inland breeding populations — over the past 40 years, driven by agricultural intensification and the loss of wet meadow habitats. It remains a common winter visitor and coastal breeder, but is now an Amber-listed bird of conservation concern in the UK.

Identification

Size: 28cm; medium wader
Plumage: Brown-streaked upperparts, pale underparts with heavy streaking; white rump and broad white trailing edge to wings — highly distinctive in flight
Bill: Straight, orange-red at base, dark tip
Legs: Bright orange-red (in adults)
Voice: Loud, liquid "teu-hu-hu" alarm call — often the first indication of a bird's presence. Called "the sentinel of the marshes" for its role in alerting other species to danger

Habitat and Ecology

Breeding Habitat

Redshanks breed in two main habitats in the UK:

Coastal saltmarshes: A stronghold for redshank; saltmarshes support dense breeding populations where vegetation structure allows. The UK holds internationally important saltmarsh breeding populations
Inland wet meadows: Rush-pasture, damp grassland with shallow flooding — this habitat has been dramatically reduced by drainage and agricultural intensification. Inland breeding population has declined by over 50% since 1970s

Diet

Invertebrates including marine worms, crustaceans, molluscs (coastal)
Earthworms, beetles, crane fly larvae (inland breeding grounds)
Aquatic invertebrates from shallow water

Breeding Biology

Ground-nesting; nest concealed in tussocky vegetation
4 eggs; both parents incubate for ~23 days
Chicks precocial — leave nest within hours, tended by both parents
Single brood annually; replacement clutches possible if first fails

Conservation Threats and Status

Agricultural Intensification

The primary threat to inland redshanks is the drainage of wet meadows for improved grassland and arable conversion. Loss of permanently damp grassland with surface water, tussocky vegetation, and earthworm-rich soils eliminates the nesting and foraging requirements simultaneously.

Predation Pressure

Ground-nesting redshanks are highly vulnerable to predation by foxes, corvids, mink, and badgers. In some areas, predation management through legal means is necessary to support breeding success.

Coastal Development and Sea Level Rise

Saltmarsh habitat is threatened by coastal development, hard sea defences (preventing inland marsh migration), and rising sea levels. Managed coastal realignment projects — allowing agricultural land to revert to intertidal habitat — can create new saltmarsh and benefit redshank populations.

Conservation and Management

Wet grassland management: maintain high water tables (target 5–10cm from surface), ditch management, scrape creation
Agri-environment scheme participation: Higher Tier Countryside Stewardship options support wet grassland management
Coastal realignment and saltmarsh creation
Monitoring: Waterbird Survey and Breeding Bird Survey track population trends