11400
In Finland , the main decline occurred in the 1920 s-1950 s and the species was thought to be extinct in the 1970 s , though a few specimens were reported in the 1990 s .
 location: Finland
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Finland