Mammals in general have color vision of a limited type, and usually have red-green color blindness, with only two types of cones. Humans, some primates, and some marsupials see an extended range of colors, but only by comparison with other mammals.
snare (plural snares) 1  A trap made from a loop of wire, string, or leather. ( 2 rare) A mental or psychological trap; usually in the phrase a snare and a delusion. Shakespeare If thou retire, the Dauphin, well appointed, / Stands with the snares of war to tangle thee.
SNARE (protein) Molecular machinery driving vesicle fusion in neuromediator release. The core SNARE complex is formed by four Î±-helices contributed by synaptobrevin, syntaxin and SNAP-25, synaptotagmin serves as a calcium sensor and regulates intimately the SNARE zipping.