| Titre : | Vogelwarte 40(1-2) - Oct., 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Ernst Kniprath, Auteur ;
Reinhard Altmueller, Auteur ;
Horst Seeler, Auteur ;
Susanne Stier, Auteur
In contrast to an earlier suggestion in the german literature and in full accordance to banding results in the UK for Tyto a. alba and in the USA for Tyto a. pratincola it is shown for Tyto a. guttata in northern Germany, that young males reach [...]
Article
Wolfgang Winkel, Auteur ;
Doris Winkel, Auteur
The mean hatching success of 1838 Pied Flycatcher clutches recorded from 1974 to 1999 amounts to 94.7% (without clutches destroyed by predators). Totally hatching failure was only found in six broods ( = 0.3% of all broods recorded). A sterile m[...]
Article
Peter Koehler, Auteur ;
Ursula Koehler, Auteur
Article
Grzegorz Kopij, Auteur
The study is based on stomach content and boli analyses originated from chicks and adult birds living in South African grassland. Bulk of the Cattle Egrets' diet consisted there of insects (69% of total dry mass), other arthropods constitute 2% [...]
Article
Heiner Flinks, Auteur
Pattern, extent and duration of moult as well as the influence of the hatching date in first-year birds was studied in 320 stonechats from 1991 to 1996 in Northrhine-Westfalia, Germany. The age of 60 birds could be determined exactly. 9 birds we[...]
Article
Christiane Ketzenberg, Auteur
The basal metabolic rate (BMR) and lower critical temperature (Tlc) of four Golden Plovers (Pluvialis apricaria) was measured with an open flow respirometer. BMR of the birds varied between 0.00681 and 0.00918 W g-1 (mean = 0.00748 W g-1) and th[...]
Article
Sabine Baumann, Auteur
The comprehensive analysis of more than 5000 data from field work (netting, ringing, observations), literature and museum specimens shows distinctive migration patterns and the existence of two separate wintering areas of European Golden Orioles[...]
Article
Helmut Steiner, Auteur
Two Jays were observed when beeing attacked by a Sparrowhawk (probably a male). While the Sparrowhawk grabbed the Jay several times on the ground, he was followed and attacked by the second Jay. The Sparrowhawk attack ended without success. Duri[...]
Article
Jacob González-Solís, Auteur ;
Xavier Ruiz, Auteur ;
Lluis Jover, Auteur
From 1993 to 1995 we analysed the influence of purse-seine and trawler fisheries on the activity cycle of Audouin's Larus audouinii and Yellow-legged Gull L.cachinnans at the Chafarinas Islands (Moroccan coast). Yellow-legged Gulls showed an act[...]
Article
Stefan Bosch, Auteur
Ornithosis is caused by the bacterium Chlamydia psittaci which was detected in many european wild bird species. There might be many birds affected within a species. Recently there were a few reports of human infections after cleaning nest-boxes.[...]
Article
Alessandro Andreotti, Auteur ;
Lionello Bendini, Auteur ;
Dario Piacentini, Auteur ;
Fernando Spina, Auteur
Song Thrush migrations and wintering in Italy have been studied on the basis of 3.518 recoveries stored at the Italian Ringing Scheme, and referred to both foreign birds reported from Italy, and Italian ringed birds recovered in Italy and abroad[...]
Article
Tobias Duerr, Auteur ;
Gertfred Sohns, Auteur ;
Heinz Wawrzyniak, Auteur
Data of 10173 Bearded Tits ringed between 1964 and 1996 and 1883 recoveries were analysed with regard to migration, site fidelity and demography. 153 recoveries concerned change of location (68 long-distance and 85 short-distance recoveries). Be[...]
Article
Peter Berthold, Auteur ;
Wolfgang Fiedler, Auteur ;
Rolf Schlenker, Auteur ;
Ulrich Querner, Auteur
The bird-trapping program "Mettnau-Reit-Illmitz (MRI)-Programm" ran during the periods 1974-1983 and 1989-1993 and was ended in 1993. In the
Article
Wlodzimierz Meissner, Auteur
Biometrics of the Redshank migrating in autumn through the Gulf of Gdansk were studied between 1983 and 1990. A total of 78 adult Redshanks and 775 juveniles was caught and measured. On average all measurements of adults were longer than those o[...]
Article
Marco Gustin, Auteur ;
Tommaso Pizzari, Auteur ;
Dario Capizzi, Auteur
The relationship between morphometric parameters as well as fat score and migration time was analysed in Blackcaps (Sylvia atricapilla) during the pre-breeding migration across Italy. After controlling for body size, age- and sex-related signifi[...]
Article
Johannes Erritzoe, Auteur ;
Richard Fuller, Auteur
Evidence presented here indicates that in western Denmark, the sex-ratio of Long-eared Owls (Asio otus) during the winter months is significantly biased towards females. Museum collections revealed the same phenomenon in the Netherlands and nort[...]
Article
Alberto Sorace, Auteur ;
Giuseppe Landucci, Auteur ;
Pierfranco Ruda, Auteur ;
Claudio Carere, Auteur
Few information about morphometrics and body mass of Woodcock (Scolopax rusticola) are available, all of them obtained from individuals hunted. During five winter seasons (from 1992 to 1997) 421 Woodcock-individuals (39% adults, 22.8% early juve[...]
Article
Piotr Tryjanowski, Auteur
