䴙䴘目鸟类有独特的食羽行为，但对进入消化道后羽毛的功能、消化机理等存疑及争议颇多。
Grebes have a unique feather-eating behavior, but there are many suspicion and dispute on the mechanism of the digestion process and the function of feathers in the digestive tract.
赫氏近鸟身上羽毛的色彩过于艳丽。科学家认为它们有些其他视觉上的功能。
The color pattern on Anchiornis was so extravagant that the scientists are confident it served some visual function.
工作人员用和温水和清洁剂为这些鸟清洗，然后擦干，并让它们休息四于七天，等到它们的羽毛恢复防水功能。
The oiled birds are washed in warm water and detergent, then dried and allowed to rest for four to seven days until their feathers are waterproof again.
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