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Birds of Indian Subcontinent
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Fringillidae
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Loxia
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The Irish Naturalist (1)
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Literature
Authors
Year
Title
Ussher, RJ
1905
Decrease of Crossbills
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts,
Simon Rycroft
,
Ben Scott
,
Vince Smith