Eurasian Oystercatcher
Haematopus ostralegus
Also known as: Oystercatcher, European Oystercatcher, Palearctic Oystercatcher, Eurasian Oyster Catcher
Habitat
Ground
Diet
Invertebrate
Active Time
Diurnal
Size
526 g
About This Species
A boldly pied, orange-billed wader is easily spotted probing mudflats, rocky shores, and shingle beaches for mussels, cockles, and worms, often announcing itself with a loud, piping call. It forms large, vocal flocks at high-tide roosts outside the breeding season, making winter estuaries a reliable place to see numbers together. Breeding pairs favor open shingle, dunes, or riverbanks in spring and summer, where nests are simple scrapes on bare ground.
Ethical Viewing Guidelines
- Because this species is IUCN Near Threatened, extra caution is warranted: stay at least 50 metres from roosting or feeding flocks and avoid causing them to flush, since repeated disturbance at high-tide roosts forces birds to burn scarce energy reserves.
- Nesting birds on open ground are especially vulnerable to trampling and predation once flushed, so keep well clear of suspected nest sites on beaches and shingle in spring.
- Protections and enforcement vary across its European and Asian range, so rely on the cautious general principle of minimising disturbance rather than a single assumed legal distance.
Seasonal Activity
3,609,311 sightings · 2000–2026
Citizen science records via GBIF
Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Aves
- Order
- Charadriiformes
- Family
- Haematopodidae
Traits
- Diet
- Invertebrate
- Foraging
- Ground
- Activity
- Diurnal
- Body mass
- 526 g
Photo
Wikimedia Commons / Wikimedia Commons
CC-BY-SA-4.0
Occurrence data from GBIF.