Male nursery web spiders lure mates with silk-wrapped offerings, only some of which contain tasty treats. Cynthia Graber reports.
雄性保育蛛用丝裹的物品引诱雌性，只有部分这类物品里面有美味的食物。辛西娅·格雷伯报导。
Male nursery web spiders lure mates with silk-wrapped offerings, only some of which contain tasty treats. Cynthia Graber reports.
雄性保育蛛用丝裹的物品引诱雌性，只有部分这类物品里面有美味的食物。辛西娅·格雷伯报导。
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