| differential accumulation and pigmenting ability of dietary carotenoids in colorful finches. | many animals develop bright red, orange, or yellow carotenoid pigmentation that they use to attract mates. colorful carotenoid pigments are acquired from the diet and are either directly incorporated as integumentary colorants or metabolized into other forms before deposition. because animals often obtain several different carotenoids from plant and animal food sources, it is possible that these pigments are accumulated at different levels in the body and may play unique roles in shaping the ult ... | 2004 | 15286921 |