Adaptive significance of the mega-billed form in the polymorphic Black-bellied Seedcracker Pyrenestes ostrinus

✍ Scribed by THOMAS B. SMITH

• Book ID: 111197932
• Publisher: John Wiley and Sons
• Year: 2008
• Tongue: English
• Weight: 528 KB
• Volume: 139
• Category: Article
• ISSN: 0019-1019
• DOI: 10.1111/j.1474-919x.1997.tb04638.x