ML 3813

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Sooty Tern -- Onychoprion fuscatus More
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Age/Sex
Identification
Solicitation
Behavior
Note

 

 

Natural
 

call

establish flock contact

 

 

William V Ward
2 Jan 1967 at 16:35

    Geography
  • New Zealand
    Locality
  • Kermadec Islands; Raoul Island; Northwest Denham Bay
    Latitude/Longitude
  • -29.25   -177.95
    Habitats
  • Bay/Harbor
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • MAGNEMITE 610E
    Microphones
    Accessories
    Equipment Note

NOTES: Beh. context: UNKNOWN; Weather: WIND; SEVERAL EGGS WHICH HAD CHIPPING HOLES STARTED IN THEM, CONTAINED CHICKS WHICH COULD BE HEARD CHEEPING. HARSH CONTINOUS 'CHEEP'. WE CAME TO NO CONCLUSION REGARDING THE PURPOSE OF THE CHICKS CHEEPING WHILE IN SHELL. THE PARENT PROBABLY HEARD IT, PRENATAL BUT THE THERE WAS NO REPLY. WE DID NOTICE THAT NESTING BIRDS WERE MUCH MORE AGGRESSIVE TOWARD APPROACHING HUMANS WHEN THEY HAD A HATCHING EGG OR FRESHLY-HATCHED CHICK. AT SUCH TIMES THEY WERE QUITE LIKELY TO FLY AT A PERSONS FACE OR POWERDIVE AT THE BAC

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