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Start Over Formats Still image ✖ Subjects Sex Characteristics ✖ Copyright Copyright may apply ✖

1. Fishes

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Fishes
Sex Characteristics

2. Reptiles

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Lizards -- anatomy & histology
Horns -- anatomy & histology
Sex Characteristics

3. Birds, display by the male

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

4. Birds, the young like the adult males

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

5. Mammals, development of hair

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Haplorhini -- anatomy & histology
Hair -- growth & development
Sex Characteristics

6. [Size variation between male and female aquatic worms]

Publication:: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009
Subject(s):: Rotifera
Polychaeta
Sex Characteristics
Books