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						Age/Stage (Specimen/Description)Definition:
	
	        This field contains a term describing the age or the stage in the development or life cycle of the specimen.
 Observation:                 For better search results in your database, avoid a large variety of  terms; draw up an authority list and add keywords as necessary.  You can use this authority list, adopted by the members of the CHIN natural science working group:
 
 
          
            | adult | juvenile | undetermined |  
            | ammocoete | larva | unknown |  
            | cyst | neonate | vesicle |  
            | egg | newborn | yearling |  
            | embryo | polyp | young |  
            | immature | subadult |  | 
 Entry rules:        Enter the full term describing the developmental stage of the specimen; do not use abbreviations.
        Example|  | Discipline | mammalogy | 
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 |  | Genus | Peromyscus | 
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 |  | Species | maniculatus | 
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 |  | Age/Stage | undetermined | 
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      You can enter more specific data on the age of the specimen after the keyword. Enter the keyword, followed by a space and the information in parentheses.
      Example|  | Discipline | mammalogy | 
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 |  | Genus | Odocoileus | 
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 |  | Species | hemionus | 
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 |  | Age/Stage | immature (6 months) | 
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  This field may contain multiple entries separated by a semicolon followed by a space.
  Example|  | Discipline | ornithology | 
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 |  | Genus | Circus | 
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 |  | Species | cyaneus | 
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 |  | Age/Stage | young; yearling | 
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