ML 52624

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vesper rat -- Nyctomys sumichrasti More
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Age/Sex
Identification
Solicitation
Behavior
Note

2 Juvenile
1 Adult Female  

100%

Sight and Sound

 

Natural
 

call

Social context: family

 

 

Catherine A Langtimm
12 Jun 1990 at 10:50

    Geography
  • Costa Rica
    Puntarenas
    Locality
  • Monteverde
    Latitude/Longitude
  • 10.3   -84.8
    Elevation
  • 1400 meters
    Habitats
  • Cloudforest
  • Evergreen Forest
  • Riparian
    Channels
  • Mono
    Sampling Rate
    Bit Depth
    Recorders
  • NAGRA III-B
    Microphones
    Accessories
    Equipment Note

NOTES: (Bkground Sounds: Song of captive Scotinomys teguina. Species Sound or Soc. Contact: Frequent. Breeding Status: Breeding. Behav. Context: Parent-young contact. Sound Delivery Rate: Normal? Gen. Climate: Wet. Cut length ~2.)
I saw Mom heading back over the rafters towards the nest. Turned on the tape. The neonate continued to vocalize, but Mom remained up in the rafters out of sight for 3-4 minutes. I turned off the tape, then when Mom headed down to the nest, turned it back on. There was a loud squeak, then I heard the same chatter from the neonate as previously recorded. Then silence. I did not hear the vocalization again that evening. I think the neonate chatter may be the faint, rapid, high-pitched chirp or trill that Birkenholz and Wirtz (1965), J. Mamm. 46(2):181-189 speak of.
Tape 3 of 3.

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