1. Pumpkin oil is one of the substances with the strongest dichromatism . 2. Another example of sexual dichromatism is that of the nestling blue tits. 3. The genus has some sexual dichromatism , with males having brighter hues. 4. There are two types of dichromatism for frog species : ontogenetic and dynamic. 5. Sexual dimorphism within insects is also displayed by dichromatism . 6. The Milne-Edwards'sifaka exhibit neither sexual dimorphism nor sexual dichromatism . 7. Ostriches have the greatest dimorphism, rheas show some dichromatism during the breeding season. 8. Threefin blennies are sexual dichromatism , with the females drab compared to the males. 9. Often there is sexual dimorphism in coloration ( sexual dichromatism ), such as in the black lemur. 10. The oil appears green in thin layers and red in thick layers, an optical phenomenon called dichromatism .