ML 3537

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Canvasback -- Aythya valisineria More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

 

 

call

court

perform visual display

 

Number of individuals=AU5-6;  

Arthur A Allen
David G Allen
14 Feb 1959 at 00:00

    Geography
  • United States
    New York
    Locality
  • Howland's Island Refuge; Lower Pond
    Habitats
  • Pond
No locations found with lat/long
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • MAGNEMITE UNSPECIFIED MODEL
    Microphones
  • Western Electric 633A
    Accessories
  • Parabola 101.6cm (40in)
    Equipment Note

NOTES: A GROUP OF 5-6 CANVASBACKS COURTING AMONG THE LARGE FLOCK OF AYTHYA AMERICANA, ANAS STREPERA, ANAS ACUTA, ANAS CLYPEATA, ETC. ON THE SMALL LOWER POND. WHEN THE MALE CALLED HE OPENED HIS BILL SLIGHTLY AND GAVE A SINGLE 'CUCK'. WHEN HE THREW HIS HEAD BACK TO HIT HIS BACK AND THEN CAME FORWARD AGAIN, HE GAVE THE SOMEWHAT LOUDER 'CUCK-COO' AS A SWELLING THE SIZE OF A MARBLE FORMED BENEATH HIS BILL. THE FEMALE DID NOT OPEN THEIR BILLS BUT I THINK THE ACCOMPANYING CHATTER WAS MADE BY THEM. P.P. KEL

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