ML 167509

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Pterodroma sp. -- Pterodroma sp. More
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Age/Sex
Identification
Solicitation
Behavior
Note

6 Unknown  

100%

Sight and Sound

 

 

 

 

Jon P Erickson
7 Feb 2010 at 18:37

    Geography
  • Mauritius
    Locality
  • Round Island
    Latitude/Longitude
  • -19.8546444   57.7842889
    Elevation
  • 70 meters
    Channels
  • Mono
    Sampling Rate
  • 48kHz
    Bit Depth
  • 24-bit
    Recorders
  • MARANTZ PMD 661
    Microphones
  • Sennheiser MKH 20
    Accessories
  • Telinga Parabola 54.7cm/15.5cm (21.5in/6.1in)
    Equipment Note

6 individuals are flying clockwise in a 360 degree pattern over the group of nest sites mentioned in RRN JPE-MU2010-178. One of the birds (intermediate morph) slows over the nest sites several times. At approx. 3:34, it can be heard vocalizing as it lands amongst the nest sites. As it is landing, a second bird slows its flight and moves into a close proximity to the first bird. (This first call may be in response to the proximity of the second bird). At approx. 4:08, two birds fly in close proximity to the first bird and it can be heard vocalizing. They fly away from the bird. Shortly afterwards, the two birds again fly in very close proximity to the first bird. A fourth bird (light morph) flies close to the two birds, slows its speed and vocalizes and the two birds fly off.

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