Does animal color and weight change by latitude?
Gloger's Rule "is an ecogeographical rule that links animal colouration with climatic variation. This rule is named after C.W.L. Gloger who was one of the first to summarise the associations between climatic variation and animal colouration, noting in particular that birds and mammals seemed more pigmented in tropical regions."
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https://searchresearch1.blogspot.com/2022/12/answer-does-animal-color-and-weight.html
