Facultative adjustment of paternal care in the face of female infidelity in Dunnocks

Geographic distribution and morphological variation in Pteroglossus beauharnaesii (Ramphastidae) in southern Amazonia

Morphometric similarities between plumage forms of Sicalis flaveola braziliensis (Gmelin, 1789)

Using morphometric traits for sexual determination in three species of Elaenia

Ecomorphological characterization of the quadrate and the mandible in the impact blow in woodpeckers (Picidae)

In praise of head extensions; or how the cormorant got its neck

Tracking bird migration: what technology is out there and what can we do with it

Migration and molt of Phalaropus tricolor: integrating information from observations and open access databases

Unraveling over-summering causes throughout a long distance migrant shorebird: Red Knot (Calidris canutus rufa) at southern South America

Variation in the diet of the Red Knot during northward migration at Playa Colombo, Peninsula Valdes, Argentina