Abstract
To study the microstructure and difference of remiges in galliformes, the Silver Pheasant (Lophura nycthemera), golden pheasant (Chrysolophus pictus), Blue Eared Pheasant (Crossptilon auritum), Koklass Pheasant (Pucrasia macrolopha), Himalayan Snowcock (Tetraogallus himalayensis) and Thunderbird (Tetrao urogallus) were selected as the representative of six species of endangered birds. The scanning electron microscopy (SEM) was adopted to photograph and count the hooked barbule, cilia and ventral tooth, meanwhile, the single factor analysis of variance of different remiges was carried out by Spss 11.5 software. The results show that remiges are mainly composed of hook feathers and proximal barbule, and there are hook feathers on the side of a small hook, but also with cilia. Proximal barbule is mainly composed of ventral tooth, whose number and shape are the main features. The number of hooked barbule, cilia and ventral tooth of proximal barbule of the remiges of the different birds were significantly different or significant differences among the two species, which could provide the basis for identification.
Highlights
Law enforcement agencies such as the forest public security administration often seized a large number of birds that have been stripped, salted, etc., which are difficult to use traditional morphological methods for species identification
Foreign studies on the microscopic structure of bird feathers using electron microscopy began in the late 1970s, focusing on the observation and data accumulation of different bird feathers [4, 5]; The researches were relatively lagging, not comprehensive, and mainly aimed at regional distribution of birds [6,7,8]
Different birds were feathered in the above-mentioned chickens using Spss11.5 software
Summary
Law enforcement agencies such as the forest public security administration often seized a large number of birds that have been stripped, salted, etc., which are difficult to use traditional morphological methods for species identification. The use of bird's feather microstructural characteristics for species inspection and identification, to determine whether it is a national key protection category, for the illegal hunting, transportation, trafficking of wild birds’ cases have important application value. Foreign studies on the microscopic structure of bird feathers using electron microscopy began in the late 1970s, focusing on the observation and data accumulation of different bird feathers [4, 5]; The researches were relatively lagging, not comprehensive, and mainly aimed at regional distribution of birds [6,7,8]. Based on the research of scholars at home and abroad, this study focuses on precious and endangered wild birds, and uses feather microstructure to identify birds, which can provide effective evidence for law enforcement cases
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