✦ LIBER ✦
Helpers and egg investment in the cooperatively breeding acorn woodpecker: testing the concealed helper effects hypothesis
✍ Scribed by Walter D. Koenig; Eric L. Walters; Joseph Haydock
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 141 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0340-5443
No coin nor oath required. For personal study only.