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Article: SYLVIA 19/1971–72

Formánek J.: 20th report of the Bird Ringing Centre of the National Museum in Prague and the Czechoslovak Ornithological Society for 1966–1970 PDF 3.4 MB7–82
Čtyroký P.: Observation of the nocturnal activity of the Little Owl (Athene noctua Scop.) at the nest PDF 10.1 MB 83–88
Havlín J. & Havlínová S.: Body weight of some Czechoslovakian passerine birds and its seasonal variations PDF 1.3 MB89–116
Šťastný K.: Notes on hybridisation between Collared (Ficedula hypoleuca) and Pied Flycatchers (Ficedula albicollis) PDF 647 kB117–125
Miles P.: Variability of bill coloration in the Blackbird (Turdus merula) PDF 1.4 MB127–137
Černý W., Pičman J., Pithart K. & Pivoňka P.: Breeding biology of the Rock Thrush, Monticola saxatilis, in the subalpine belt of the Carpathians PDF 340 kB 139–143
Hájek V.: A biometry study on the Siskin (Carduelis spinus) PDF 611 kB145–156
Kokeš O.: Breeding of the Rook (Corvus f. frugilegus) in Bohemia till 1965 PDF 630 kB 157–166
Boháč D.: Food of the Magpie in summer (Pica pica) PDF 266 kB 167–171


Short reports
Boháč D.: Some observations of a Little Grebe (Podiceps ruficollis) in captivity PDF 202 kB 171–173
Černý W., Jirásek V. & Jirásková Z.: Spring occurrence of the Whooper Swan (Cygnus cygnus) in southern Bohemia PDF 128 kB173–174
Černý W.: A new breeding site of the Greylag Goose (Anser anser) in the Elbe region PDF 212 kB174–176
Kondělka D. & Kubenka A.: First record of the Ruddy Shelduck (Tadorna ferruginea) in Silesia PDF 124 kB 176–177
Bumerl J.: Breeding of the Goldeneye (Bucephala clangula) in the Sudoměřice game park (district of Tábor) PDF 126 kB177–178
Bumerl J.: Breeding of the Hen Harrier (Circus cyaneus) in the region of Bechyně PDF 202 kB178–180
Bláha V.: A fishing Marsh Harrier (Circus aeruginosus) PDF 63 kB 180
Štollmann A.: A Spotted Eagle (Aquila clanga) near Žilina PDF 1.4 MB 181
Urbánek L.: Possible breeding of the Green Sandpiper (Tringa ochropus L.) near Rožďalovice PDF 190 kB181–183
Černý J., Keller J. & Teper J.: Next breeding occurrence of the European Bee-eater (Merops apiaster) near Nymburk PDF 67 kB 183
Špinar Z. V.: Wintering of the Blackcap (Sylvia atricapilla) in northern Bohemia PDF 63 kB184
Hájek V.: Moustached Warbler (Lusciniola melanopogon) caught near Lednice PDF 128 kB184–185
Beneš B.: Occurrence of the Güldenstädt’s Redstart (Phoenicurus erythrogaster) in Yugoslavia PDF 1.3 MB 185–187
Boháč D.: Are European Fruit Scales (Eulecanium corni) eaten by the Bullfinch (Pyrrhula pyrrhula)? PDF 133 kB187–188
Chvapil S.: Some ornithological observations on the Elbe near Roudnice n. L. in 1966–1970 PDF 197 kB 188–190
Urban V.: Some avifaunistic observations from the Kutná Hora region PDF 76 kB 190–193

05.01.2007
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