Abstract: The amino acids composition of keratin in the feather of cranes and storks was analyzed by using high performance liquid chromatography (HPLC). The results showed that there were a similar proportion and the same varieties of amino acids in the feather of cranes and storks, with only some differences in the relative quantities. Compared with other animals, it was found that there was difference in proportion of the amino acids of the hair or feather keratins from different families or genera, with their own characteristics. The characteristics displayed more similar in the same families or genera. This paper intended to establish harmless measuring method for the wild-lives identification. The feasibility of the method in the wildlife classification, recognition and identification was tested through this experiment.

Key words: crane, stork, feather, keratin, amino acids