| Titre : | Revista Catalana d'Ornitologia, 39 - 2023 |
| Type de document : | Bulletin : Périodique |
| Paru le : | 31/12/2023 |
| Année de publication : | 2023 |
| Langues: | Anglais |
| Langues originales: | Espagnol |
| En ligne : | https://ornitologia.org/ca/queoferim/divulgacio/publicacions/rco_pdf_2023.html |
Dépouillements
Article
C. Stefanescu, Auteur
Many butterfly species are often seen with severe wing damage, which is regarded as evidence of unsuccessful predation, most likely by insectivorous birds. However, observations of bird predation are rare for the vast majority of butterflies. Du[...]
Article
S. Manosa, Auteur ;
M. Julià, Auteur ;
F. Oliva, Auteur ;
R. Guillem, Auteur ;
L. Moreno-Zárate, Auteur ;
D. Giralt, Auteur ;
G. Bota, Auteur
The Little Bustard Tetrax tetrax is an endangered steppe bird whose last remaining breeding populations in Catalonia (NW Spain) are located in the Lleida plains. Although the decline in this population is mainly associated with habitat loss and [...]
Article
In 2021 we published a six-year study (2015–2020) of the occurrence of the Mediterranean Storm-petrel Hydrobates pelagicus spp. melitensis around a Mediterranean Bluefin Tuna Thun- nus thynnus fish-farm, where high concentrations took place duri[...]
Article
I. Salgado, Auteur ;
F. Bustamante, Auteur
Conservation biologists have questioned the effectiveness of the Natura 2000 network in conserving farmland birds. The Lesser Kestrel population in the SPA ES435 Área esteparia de la margen derecha del río Guadarrama and surrounding areas increa[...]
Article
Knowledge of the true amplitude (dB) of sound signals is necessary for calculating how far they can travel and the distance at which they can be detected, two crucial aspects for planning bio-acoustic sampling protocols, particularly if endanger[...]
Article
B. Garcia-Espluga, Auteur ;
M.A. Garcia-Reàdigos, Auteur
The song of the Eurasian Blackcap Sylvia atricapilla consists of two distinct parts: an initial chattering of different harsh notes followed by a louder, fluting warble. However, some enigmatic individuals present an atypical version of their so[...]
Article
Gimeno X. Tomàs, Auteur
Polymelia is a malformation consisting of the presence of supernumerary limbs. Although relatively common in farm animals and anurans, it is quite rare in wild vertebrates and, especially, birds. I describe here the case of a Black-headed Gull C[...]
Article
M. Genovart, Auteur ;
J.M. Arcos, Auteur ;
S. Catchot, Auteur ;
R. Escandell, Auteur ;
D. Garcia, Auteur ;
T. Guilford, Auteur ;
J.M. Igual, Auteur ;
M. Louzao, Auteur ;
M. McMinn, Auteur ;
A. Sanz-aguilar, Auteur ;
G. Tavecchia, Auteur ;
D. Oro, Auteur
In the north-western Mediterranean there are two breeding species of procellariforms from the Procellariidae family: Scopoli’s shearwater Calonectris diomedea and the Balearic shearwater Puffinus mauretanicus. Long-term monitoring carried out in[...]
Article
J. Arizaga, Auteur ;
X. Esparza, Auteur ;
L.M. Carrascal, Auteur
The environmental and trophic conditions of cities often give rise to very large populations of urban pigeons Columba livia f. domestica, which can cause local health and heritage problems due to accumulations of their droppings. Estimating the [...]
