Olivaceous Woodcreeper

Sittasomus griseicapillus

The olivaceous woodcreeper is a passerine bird in subfamily Dendrocolaptinae of the ovenbird family Furnariidae. It is found from central Mexico south through every Central American country, on the island of Tobago, and in every mainland South American country except Chile, French Guiana, and Suriname. Source

Where it is now

In the last 8 weeks this bird was recorded 3,006 times across 9 areas (each area is a 5 degree square).

See the Olivaceous Woodcreeper on the live map

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

Download every area as CSV

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.