Blackish Oystercatcher

Blackish Oystercatcher

Haematopus ater

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
50–60% · Likely
overall probability at Península Valdés

Closest Relatives at Península Valdés

American Oystercatcher
LC Endemic

American Oystercatcher

☀️ Diurnal Bird

Haematopus palliatus

70–80% · Very likely
Magellanic Oystercatcher
LC

Magellanic Oystercatcher

☀️ Diurnal Bird

Haematopus leucopodus

0–10% · With luck
Dominican Gull
LC

Dominican Gull

☀️ Diurnal Bird

Larus dominicanus

90–100% · Very likely
Snowy Sheathbill
LC

Snowy Sheathbill

☀️ Diurnal Bird

Chionis albus

50–60% · Likely
South American Tern
LC

South American Tern

☀️ Diurnal Bird

Sterna hirundinacea

40–50% · Likely
Dolphin Gull

Dolphin Gull

☀️ Diurnal Bird

Leucophaeus scoresbii

40–50% · Possible
Royal Tern
LC

Royal Tern

☀️ Diurnal Bird

Thalasseus maximus

30–40% · Possible
Southern Lapwing
LC

Southern Lapwing

☀️ Diurnal Bird

Vanellus chilensis

20–30% · Possible
Brown-hooded Gull

Brown-hooded Gull

☀️ Diurnal Bird

Chroicocephalus maculipennis

20–30% · Possible
Sandwich Tern
LC

Sandwich Tern

☀️ Diurnal Bird

Thalasseus sandvicensis

20–30% · Possible
Baird's Sandpiper
LC

Baird's Sandpiper

☀️ Diurnal Bird

Calidris bairdii

20–30% · Possible
White-rumped Sandpiper
VU

White-rumped Sandpiper

☀️ Diurnal Bird

Calidris fuscicollis

10–20% · With luck

📅 Monthly Probability

50–60
Jan
50–60
Feb
50–60
Mar
40–50
Apr
50–60
May
50–60
Jun
50–60
Jul
40–50
Aug
50–60
Sep
40–50
Oct
70–80
Nov
50–60
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Península Valdés 🇦🇷 Argentina
50–60%
2 Paracas National Reserve 🇵🇪 Peru
30–40%
3 Tierra del Fuego National Park 🇦🇷 Argentina
10–20%

Quick answers

What are the chances of seeing a Blackish Oystercatcher in Península Valdés?

About 57% of visitor-days record a Blackish Oystercatcher sighting in Península Valdés, based on 197 observer-days of citizen-science data from GBIF.

When is the best time to see Blackish Oystercatcher in Península Valdés?

November has the highest sighting rate for Blackish Oystercatcher in Península Valdés in our monthly data.

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