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Autumn seabird passage off Ras Nouadhibou

A Cory's shearwater flying low over the sea
Cory's shearwater. Photo: Jules Verne Times Two, CC BY-SA 4.0

Cory's, Cape Verde & sooty shearwaters, gannet, Sabine's gull, skuas (Arctic, pomarine, long-tailed), grey phalarope, Audouin's gull, terns. Cap Blanc peninsula, Nouadhibou, Mauritania.

Best time: 10 Sep – 20 Oct (September to October). Where: Baie de l'Étoile, Ras Nouadhibou lighthouse / Cap Blanc reserve, Nouadhibou – Baie du Lévrier shore (Mauritania). Time of day: First 3 hours after sunrise, best in onshore (north-westerly) winds.

Open it in the interactive calendarSunrise and sunset listening times for the day you pick, and the map.

When is the best time?

Peak: 10 Sep – 20 Oct. Mid September to mid October

Active from 15 Aug to 15 Nov (August to November) in a typical year.

Time of day

First 3 hours after sunrise, best in onshore (north-westerly) winds

What will you hear?

A visual seawatch over the Cap Blanc upwelling — the same seabird river that Ngor (Dakar) and the Banc d'Arguin islands see; gannets and skuas within the surf line on windy mornings. Sound value is low unless you deploy a hydrophone for the fish-and-dolphin activity of the upwelling.

Binoculars?

Telescope recommended. Seabirds pass 200 m to 2 km off the cape in an onshore wind; a scope is the whole point, binoculars catch only the nearest.

Where to go

How to go on your own, and what it costs

Taxi from Nouadhibou to the Cap Blanc track; the lighthouse point is inside the small reserve (day fee) but the Baie du Lévrier shore is public and free.

Cost: Reserve entry small fee — check current prices; shore free.

Field-recording notes

Included for completeness on the flyway: a place to hear almost nothing but a 20-knot wind and surf. Little coverage — your counts are worth submitting to Trektellen/eBird.

Sources

Similar spectacles

More: all spectacles in Mauritania · bird migration hotspots · September · October