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Author Question: _____ are often the first arrivals in spring at nesting sites. a. Mallards b. Canada geese c. ... (Read 20 times)

WWatsford

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_____ are often the first arrivals in spring at nesting sites.
 
  a. Mallards
  b. Canada geese
  c. Ruddy duck
  d. Pintails

Question 2

Fall migrations are triggered by _____ .
 
  a. warmer weather
  b. rainfall amounts
  c. colder weather
  d. food sources



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jonathanballen97

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Answer to Question 1

c

Answer to Question 2

a




WWatsford

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Reply 2 on: Jul 21, 2018
Excellent


abro1885

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Reply 3 on: Yesterday
Gracias!

 

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