| 31. | Compared to most trogons, the sexual dimorphism is relatively small.
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| 32. | Distinct signs of sexual dimorphism are seen in the antelope.
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| 33. | Are the differences in the size of skeletons within the range of sexual dimorphism?
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| 34. | There is no obvious sexual dimorphism in frequency or waveform.
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| 35. | This is typical of sexual dimorphism in birds of prey.
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| 36. | The food begging calls and the degree of sexual dimorphism.
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| 37. | Males and females show sexual dimorphism, which enables easy recognition.
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| 38. | The rhinoceros beetle is a classic case of sexual dimorphism.
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| 39. | In terms of colouration there is no well-marked sexual dimorphism.
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| 40. | In recent years, evidence for sexual dimorphism has been weakened.
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