Taxon profile
Least Concern  |
Links and literature
Bird Life 5.1 [5547]
Bird Life [http://www.birdlife.org] [as Lanius marwitzi Reichenow, 1901]
Data retrieved on: 26 April 2013
Gill F. & Donsker D.: IOC World Bird List 7.3 [http://www.worldbirdnames.org/] [as Lanius collaris marwitzi Reichenow, 1901]Data retrieved on: 16 November 2017
IUCN Red List of Threatened Species 2013.2 [22705089]
IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Lanius marwitzi Reichenow, 1901]
Data retrieved on: 27 January 2014
Clements, J. F.: eBird/Clements checklist of birds of the world 6.7 [http://www.birds.cornell.edu/clementsche...], Cornell Lab of Ornithology [as Lanius collaris marwitzi]Data retrieved on: 7 April 2013
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