Ethiopian opal was first discovered in the early 1990s and is capable of producing spectacular play-of-color in a variety of patterns and bodycolors. Some Ethiopian opals exhibit macroscopic ...
The variation in animal coloration patterns has evolved in response to different visual strategies for reducing the risk of predation. However, the perception of animal coloration by enemies is ...
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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