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6 Articles match the specified search.

Luis M. CARRASCAL and Juan Carlos DEL MORAL

Two surveys per spring are enough to obtain robust population trends of common and widespread birds in yearly monitoring programmes

Volume 68.1, 2021, 33-51. Research articles.

José Luis TELLERÍA

Old counts suggest the collapse of two Red-backed Shrike Lanius collurio populations

Volume 65.2, 2018, 283-290. Short communications.

Oscar GORDO

Are two days enough? Checkhing the accurary of the survey protocols used in common bird monitoring schemes

Volume 65.1, 2018, 41-52. Research articles.

José JIMÉNEZ, Rubén MORENO-OPO, Manuel CARRASCO and Jordi FELIU

Estimating the abundance and habitat selection of conservation priority marsh-dwelling passerines with a double-observer approach

Volume 62.2, 2015, 269-282. Research articles.

Enrique MURGUI PÉREZ

How many common breeding birds are there in Spain? A comparison of census methods and national population size estimates

Volume 58(2), 2011, 343-364. Forum.

Javier QUESADA, Santi GUALLAR, Natàlia J. PÉREZ-RUIZ, Joan ESTRADA and Sergi HERRANDO

Observer error associated with band allocation is negligible in large scale bird monitoring schemes; but how precise is the use of bands at all?

Volume 57(Especia, 2010, 23-32. Research articles.

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