La Tour du Valat

Article

Communal singing in the cooperatively breeding subdesert mesite Monias benschi: evidence of numerical assessment?

N. Seddon, Auteur ; J. A. Tobias, Auteur

Dans Journal of Avian Biology (34(1) MAR 2003)

It has long been suggested that competing groups of social animals assess one another on the basis of communal vocalisations, but so far this has only been demonstrated in mammals. We investigated this idea in the subdesert mesite, a roup-living[...]

Plus d'information...

Ajouter au panier

Article

The display of the White-winged Nightjar

R. P. Clay, Auteur ; B. L. Lanus, Auteur ; J. A. Tobias, Auteur ; J. C. Lowen, Auteur ; J. M. Barnett, Auteur

Dans Journal of Field Ornithology (71(4) FAL 2000)

In 1995, we discovered a population of the poorly known and critically endangered White-winged Nightjar (Caprimulgus candicans) in Yata'i (Butia paraguayensis) palm cerrado at the Mbaracayu Forest Nature Reserve, Paraguay. We provide the first d[...]

Plus d'information...

Ajouter au panier

Article

Rediscovery and subsequent observations of Kaempfer's Tody-tyrant Hemitriccus kaempferi in Santa Catarina, Brazil, with notes on conservation, life history and plumage

J. M. Barnett, Auteur ; G. M. Kirwan, Auteur ; M. Pearman, Auteur ; L. N. Naka, Auteur ; J. A. Tobias, Auteur

Dans Bird Conservation International (10(4) December, 2000)

Previously known from two specimens, Kaempfer's Tody-tyrant Hemitriccus kaempferi is a globally threatened species endemic to the southern Brazil Atlantic Forest. The first field observations of this little-known taxon were made in the 1990s and[...]

Plus d'information...

Ajouter au panier