Heliconius charithonia is one of the species of butterflies whose wing patterns scientists scrutinized to better understand the evolutionary process. This butterfly is wild-type; the genetically ...

Scientists are moving closer to answering some age-old questions. How did the leopard get its spots? How did the zebra get its stripes? The answer may be a gene called Agouti, which the scientists ...

Saturation refers to the depth, or richness, of a color: pastels are examples of highly desaturated colors. At the photoreceptor layer, saturation originates from imbalances in the relative response ...

September 7, 2021 (Huntsville, Alabama)- Members of the Felidae family, more commonly referred to as cats, come in a variety of sizes and a range of varying fur colors and patterns. Tigers with black ...

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An international team of scientists working with Heliconius butterflies in Panama was faced with a mystery: how do pairs of unrelated butterflies from Peru to Costa Rica evolve nearly the same ...

BEIJING, April 4 (Xinhua) -- Chinese scientists have revealed the mechanisms underlying the formation of complex color patterns on Nigella orientalis (Ranunculaceae) petals. Researchers from the ...

Mother lizards can induce different color patterns in their offspring in response to social cues, reports research published June 10 in the online early edition of the journal Ecology Letters. Female ...

Jiff the collie represents “shaded yellow,” one of five coat color patterns in domestic dogs identified by Danika Bannasch at the UC Davis School of Veterinary Medicine and collaborators in the U.S.