| Titre : | Aves 35(3-4) - Avril, 1998 |
| Type de document : | Bulletin |
| Paru le : | 01/04/1998 |
Dépouillements
Article
Anonymous, Auteur
These 12 French meeting abstracts, discuss subjects such as exotic species, electronic tagging, urban environment, information system, biodiversity, inventory and surveillance of species and habitats, and ornithological database as related to th[...]
Article
Rene Dumoulin, Auteur
In January 1999, while temperature doesn't exceed 2-3degreeC, a bat flying over water is chased by two Black-headed Gulls.
Article
Dominique Testaert, Auteur
This Blackcap made frequent, perfect and isolated imitations of the "siii..." of Penduline Tit (same tone, same rhythm, same intensity) not integreated in the song.
Article
Jules Fouarge, Auteur
During 30 years, the author has recorded a little dozen Blackcaps (Sylvia atricapilla) imitating a lot of other european birds. Among these, Willow Warbler (Phylloscopus trochilus) was one of the most regularly imitated, not only by Sylvia atric[...]
Article
Jean Tricot, Auteur
On February 22nd 1999, a south-west-directed flight of Fieldfares was observed. With an estimated width of 25-50 m and a duration of 3 minutes, it was estimated to involve about 10.000 birds.
Article
Dominique Testaert, Auteur
A young Sparrowhawk, carrying a spruce cone, drops it in flight and catches it again immediately.
Article
Francois Le Hardy de Beaulieu, Auteur
Article
Thierry Kervyn, Auteur
Attacks of serotine bats flying out of their nursing roost by Starlings and Common Swifts breeding in the vicinity of the way out were observed. These aggressive interactions were observed only four times out of more than 140 evenings of observa[...]
Article
Andre Charlier, Auteur
A pair of Melodious Warbler (Hippolais polyglotta) bred in Hesbaye north of Huy, 5 km north from the Meuse valley and 20 km away of the normal breeding area.
Article
Charly Farinelle, Auteur
During May-June 1998, a second year Black-headed Gull with an abnormalous bill was observed in the Meuse valley (above Liege). The upper mandible was elongated and curved down, like a curlew's bill. The bird looked healthy but its feathers were [...]
Article
Christian Vansteenwegen, Auteur
Two Blackbirds' fledglings born in early February were observed in Louvain-la-Neuve in 1999. Eight other observations of the same kind are mentioned in the AVES files. Blackbirds' winter breeding is a rare phenomenon which can be explained by th[...]
