Pěnice černohlavá (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pěnice černohlavá" in Czech language version.

refsWebsite

Global rank Czech rank

1iucnredlist.org

88^th place

15^th place

2,179^th place

1,174^th place

1web.archive.org

1^st place

1^st place

birdlife.org

BURFIELD, Ian; BOMMEL, Frans van. Birds in Europe: population estimates, trends and conservation status. Cambridge: BirdLife International, 2004. Dostupné online. ISBN 978-0946888535. Archivováno 22. 3. 2014 na Wayback Machine.

iucnredlist.org

apiv3.iucnredlist.org

The IUCN Red List of Threatened Species 2021.3. 9. prosince 2021. Dostupné online. [cit. 2021-12-27].

web.archive.org

BURFIELD, Ian; BOMMEL, Frans van. Birds in Europe: population estimates, trends and conservation status. Cambridge: BirdLife International, 2004. Dostupné online. ISBN 978-0946888535. Archivováno 22. 3. 2014 na Wayback Machine.