1. It is a dichromatic species, but not sexually dimorphic. 2. These relatively small, long-tailed antbirds are strongly sexually dichromatic . 3. The plumage of the family is variable . dichromatic . 4. All are relatively small antbirds that are sexually dichromatic . 5. Some species are even dichromatic ( as " Anigozanthos manglesii " ). 6. This species is sexually dichromatic , with females being darker and browner than males. 7. Hawkfishes are generally not sexually dichromatic , meaning the sexes cannot be distinguished by coloration alone. 8. The red browed pardalote does not exhibit plumage that changes seasonally and is not sexually dichromatic . 9. This means that cattle are dichromatic , as are most other non-primate land mammals. 10. There is little visible dichromatic at the ultraviolet part of the colour spectrum, which humans cannot see.