PAPERS & BOOKS
FINCHES
Clement P., A. Harris and J. Davis 1993
Finches and Sparrows.
Helm Identification Guide Series
LINK
Newton I. 1972
Finches.
Harper Collins, Collins New Naturalist Library, Book 55
LINK
GROSBEAKS
Young M. A., C. S. Adkisson 2020.
Pine Grosbeak (Pinicola enucleator), version 2.0 (online)
In: Birds of the World (P. G. Rodewald and B. K. Keeney, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
Available at: https://birdsoftheworld.org/bow/species/pingro/2.0
(subscription needed)
LINK
Young M., T. Spahr, A. Spencer 2017.
Evening Grosbeak Call Types of North America (online)
Available at: https://ebird.org/news/evening-grosbeak-call-types-of-north-america (Accessed: 13 March 2020).
LINK
Sewall K., R. Kelsey and T. P. Hahn 2004.
Discrete Variants of Evening Grosbeak Flight Calls.
The Condor Vol. 106, No. 1
LINK
Krüger S. 1979.
Der Kernbeißer (The Hawfinch).
Die Neue Brehm Bücherei, Westarp Verlag.
LINK
ROSEFINCHES & PURPLE FINCHES
Ernst S., P. Franke 2014.
Strophentypen des Karmingimpels Carpodacus erythrinus in einem mehrjährig besetzten Brutrevier im sächsischen Vogtland.
(Songs types of Common Rosefinch Carpodacus erythrinus in a breeding ground occupied for several years in the Saxonian Vogtland).
Mitteilungen Verein Sächsischer Ornithologen 11
LINK
Bozhko S. 1980.
Der Karmingimpel (The Common Rosefinch).
Die Neue Brehm Bücherei, Westarp Verlag.
LINK
REDPOLLS
Pittaway R., J. Iron (revised) 2015.
Subspecies of Common and Hoary Redpolls (online)
First published 1992 in: The Journal Ontario Birds 10(3): 108-114
Available at: http://www.jeaniron.ca/2015/redpollsRP.htm
(Accessed: 13 March 2020)
LINK
Ernst S. 1998.
Die Birkenzeisige (The Redpolls).
Verlag der Buchhandlung Klingenthal
RED CROSSBILL
Summers R. 2020.
Calls of Crossbills in Scotland: association with size and changes over time
British Birds 113
(subscription needed)
LINK
Martin R., J. Rochefort, R. Mundry and G. Segelbacher 2020.
On the relative importance of ecology and geographic isolation as drivers for differentiation of call types of Red Crossbill (Loxia curvirostra) in the Palearctic.
Journal of Avian Biology
LINK
Benkman C. W. and M. A. Young 2020.
Red Crossbill (Loxia curvirostra), version 1.0 (online)
In: Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. (Accessed: 13 March 2020).
(subscription needed)
LINK
Martin R., J. Rochefort, R. Mundry and G. Segelbacher 2019.
Delimitation of Call Types of Red Crossbill (Loxia curvirostra) in the Western Palearctic.
Ecoscience 26
LINK
Brady R.S., N.M. Anich, and M.A. Young 2019.
Wisconsin’s Red Crossbill irruption of 2017–18: Distribution, abundance, and breeding behavior of multiple call types.
Passenger Pigeon 81: 215–240.
LINK
Tremblay J., M. Robert, D. Hynes, M. Young, and B. Drolet 2018.
Range extension of the threatened Red Crossbill (Loxia curvirostra percna) in Canada: New insights from Anticosti Island, Québec.
Avian Conservation and Ecology 13(1):10.
LINK
Young M. and T. Spahr 2017.
Crossbills of North America: species and Red Crossbill call types (online)
Available at: https://ebird.org/news/evening-grosbeak-call-types-of-north-america (Accessed: 13 March 2020).
LINK
Smith K. G.; Neal, J. C.; and Young, M. A. 2015.
Red Crossbill Invasion of Northwestern Arkansas during 2012-2013.
Journal of the Arkansas Academy of Science: Vol. 69 , Article 17.
LINK
Young M. A., D. A. Fifield, and W. A. Montevecchi 2012.
New evidence in support of a distinctive Red Crossbill (Loxia curvirostra) type in Newfoundland.
North American Birds 66:29-33.
LINK
Young M. A., K. Blankenship, M. Westphal, and S. Holzman 2011.
Status and distribution of Type 1 Red Crossbill (Loxia curvirostra): an Appalachian call type?
North American Birds 65:554–561.
LINK
Young M. A. 2011.
Red Crossbill ( Loxia curvirostra) Call Types of New York: a closer look at their taxonomy, flight call vocalizations, and ecology.
Kingbird 61:106123
LINK
Young M. A. 2010.
Type 5 Red Crossbill (Loxia curvirostra) in New York: first confirmation east of the Rocky Mountains.
North American Birds 64: 343–346.
LINK
Nethersole-Thomson D. 2010.
The Pine Crossbills.
T & AD Poyser
Edelaar P. 2007.
Assortative mating also indicates that common crossbill Loxia curvirostra vocal types are species.
Journal of Avian Biology 39
LINK
Summers R., R.J.G. Dawson and R.E. Phillips 2007.
Assortative mating and patterns of inheritance indicate that the three crossbill taxa in Scotland are species
Journal of Avian Biology 38
LINK
Pieplow N. 2007.
Colorado’s Crossbill Types 2, 4 and 5
Colorado Birds Vol. 41 Nr. 3
LINK
Münch H. 2003.
Die Kreuzschnäbel (The Crossbills).
Die Neue Brehm Bücherei, Westarp Verlag.
LINK
Robb M. S. 2000.
Introduction to vocalizations of crossbills in north-western Europe.
Dutch Birding 22
LINK
Groth J. 1993.
Evolutionary Differentiation in Morphology, Vocalizations, and Allozymes Among Nomadic Sibling Species in the North American Red Crossbill (Loxia curvirostra) Complex.
UC Publications in Zoology.
LINK
Groth J. 1988.
Resolution of cryptic species in Apalachian Red Crossbills.
The Condor Vol. 90, No. 4
LINK
BLOGS
FINCHES
Earbirding by Nathan Pieplow
Mimicry in Cardueline Finches
GROSBEAKS
Earbirding by Nathan Pieplow
Do Evening Grosbeaks Sing?
Earbirding by Nathan Pieplow
Got Grosbeaks?
REDPOLLS
Birding Mongolia by Andreas Buchheim & Axel Bräunlich
ID of Mongolian Redpolls
Earbirding by Nathan Pieplow
Common and Hoary Redpolls
Matt Young for Birding Frontiers
North American Redpolls
CROSSBILLS
Pine Muncher by Lindsay Cargill
A blog dedicated to WP Crossbills
Turnstones by Thijs Fijen
WP Crossbill Flight Calls
GUIDES
Birds In Flight
Cornell Guide to Bird Sounds – Master Set
Cornell Guide to Bird Sounds – Essential Set
Flight Calls of Migratory Birds – Eastern NA Landbirds
Merlin
Peterson Field Guide to Bird Sounds
Songs of Warblers of North America
The Warbler Guide
Voices of Hawaii’s Birds
ARCHIVES
Animal Sound Archive Berlin
British Library Sounds
eBird/Macaulay Library
Fonozoo
Xeno Canto