Synonyms for NON-COMPLIANCE. Find another name for Non-compliance at Thesaurus.net
White animals. White animals are often found in nature and sometimes the cause is albinism. Melanin is the primary pigment that determines the color of a mammal`s skin, fur, and eyes. Albinism occurs in mammals (including humans), fish, birds, reptiles, and amphibians.
Ultimate causes-birds that migrate have a selective advantage over birds that don't/didn't, selected for over time, could be due to long term climate changes, glaciation, disease, taking advantage of food sources, etc.