猫是一种常见的哺乳动物，属于脊索动物门、哺乳纲、食肉目、猫科，猫作为人类的宠物已有数千年的历史，被广泛认可为高雅、独立和神秘的动物，猫有很多品种，按照毛色、体型和特点可以分为以下几类：
家猫：这是最常见的猫种，具有多种毛色，如黑、白、灰、棕等，家猫体型适中，性格因品种而异，有的温顺友好，有的独立自主，家猫通常作为家庭宠物饲养，与人类建立深厚的感情联系。
短毛猫：这类猫的毛发短而密，易于打理，常见的短毛猫品种有英国短毛猫、美国短毛猫和暹罗猫等，短毛猫性格温和，适应力强，适合作为家庭宠物。
长毛猫：这类猫的毛发长而柔软，需要定期梳理，著名的长毛猫品种有波斯猫、缅因猫和挪威森林猫等，长毛猫性格优雅，体态优美，但需要较多的护理。
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