The use of tongue spots for ageing and wing length for sexing Skylarks Alauda arvensis – a critical evaluation.
| Autor: | Hegemann, Arne1 (AUTHOR) a.hegemann@rug.nl, Voesten, Rob1 (AUTHOR), Van Eerde, Kees2 (AUTHOR), Van Der Velde, Marco1 (AUTHOR), Tieleman, B.Irene1 (AUTHOR) |
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| Zdroj: | Ringing & Migration. Jun2012, Vol. 27 Issue 1, p7-12. 6p. |
| Databáze: | Academic Search Ultimate |
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