by Samraoui, Farrah, Alfarhan, Ahmed H, Samraoui, Boudjéma
Published in Ostrich (01.08.2013)

by Malzer, Iain
Year of Publication 2017

by Schneider, Michael F.
Published in The Journal of applied ecology (01.08.2001)

by Morelli, F, Santolini, R, Sisti, D
Published in Ethology, ecology & evolution (01.04.2012)

by Cahill, James F., Castelli, Jeffrey P., Casper, Brenda B.
Published in American journal of botany (01.09.2002)

by Kluza, DA, Griffin, C R, Degraaf, R M
Published in Animal conservation (01.02.2000)

by Suárez, Francisco, Traba, Juan, Herranz, Jesús
Published in Journal für Ornithologie (2005)

by MARQUES, PAULO A. M., VICENTE, LUÍS, MÁRQUEZ, RAFAEL
Published in Bioacoustics (Berkhamsted) (01.01.2008)

by Spiegel, Caleb S
Year of Publication 12.11.2008

by Catry, Paulo, Matias, Rafael, Vicente, Luís, Granadeiro, José Pedro
Published in Journal für Ornithologie (2009)

by Bowers, Emerson Keith, Sakaluk, Scott K., Thompson, Charles F.
Published in Ecology and evolution (01.05.2016)

by O'Malley, Sean L. C
Year of Publication 1993

by Davis, Marcia
Published in The Knoxville news-sentinel (06.05.2001)

by Mullin, Stephen J, Cooper, Robert J
Published in Canadian journal of zoology (01.04.2002)