| Titre : | Bird Study 51 - NOV 2004 |
| Type de document : | Bulletin |
| Paru le : | 01/11/2004 |
Dépouillements
Article
R. W. Summers, Auteur
Capsule: Hole-nesting birds tended to breed in the largest pine snags (standing dead trees) predominating in ancient native pinewood and scarce in plantations. Aims: To describe and compare the density, volume and sizes of pine snags in differen[...]
Article
P. Tryjanowski, Auteur ;
T. H. Sparks, Auteur ;
J. Ptaszyk, Auteur ;
J. Kosicki, Auteur
Capsule: Arrival date strongly influenced date of breeding and breeding success. Aim: To check our hypothesis that in years with low April temperatures, i.e. when storks started to breed, the relationship between timing of breeding and success w[...]
Article
Male Corncrakes Crex crex extend their home ranges by visiting the territories of neighbouring males
Capsule Radiotracked male Corncrake often intruded on the territories of neighbouring males. Aims To test that intruders' visits are goal-directed, not just a by-product of extended spatial activity during daylight hours. Methods Using radiotele[...]
Article
N. Anthes, Auteur
Capsule: Evidence for earlier spring migration of Tringa sandpipers after warmer winters, but no clear pattern concerning autumn migration timing. Aim: To analyse the timing of migration of three Tringa sandpipers between 1966 and 2002 with resp[...]
Article
T. Hounsome, Auteur ;
D. O'Mahony, Auteur ;
R. Delahay, Auteur
Capsule: Little Owls take a wide variety of food, most of which is made up of earthworms, but also includes bats.
Article
G. M. Siriwardena, Auteur
Capsule: Although stable in their preferred, wet habitats, Willow Tits have declined in woodland, probably because of habitat degradation rather than increases in avian nest predator and competitor numbers. Aims: To elucidate the cause of the po[...]
