Aves appears in:

EOD - eBird Observation Dataset

Artportalen (Swedish Species Observation System)

Norwegian Species Observation Service

Anillamiento SEO_Bird ringing

Southern African Bird Atlas Project 2: Full protocol records

BirdLife Australia, Birdata

Great Backyard Bird Count

Southern African Bird Atlas Project

Bird Ringing Centre in Sweden (NRM)

naturgucker

SAFRING: Historical Bird Ringing Records (2005-2009)

OEH Atlas of NSW Wildlife

DOF

First Bird Atlas

Garden Bird Surveys

Fauna Atlas N.T.

DOF 2001-2006

Point Reyes Bird Observatory - Point Counts

PlutoF platform observations

SEAMAP - marine mammals, birds and turtles

AMNH Bird Collection

Inventaire National du Patrimoine Naturel : Oiseaux hivernants de France

Historical Bird Atlas