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- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Birds
Insects
Pigmentation
Adaptation, Biological
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Insects
Snakes
Pigmentation
Adaptation, Biological
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Feathers -- anatomy & histology
Pigmentation
Galliformes
- Publication:
- Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
- Subject(s):
- Anseriformes -- anatomy & histology
Sex Characteristics
Pigmentation