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Environmental Recording :04 - 8:31 Play :04 - More
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Environmental Recording 1:01:40 - 1:02:10 Play 1:01:40 - More
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Dawn ambient  

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Environmental Recording 1:04:04 - 1:05:50 Play 1:04:04 - More
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Interview 1:08:09 - 1:19:57 Play 1:08:09 - More
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Abigail M. Derby  

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Primates  

Environmental Recording 1:20:05 - 1:38:46 Play 1:20:05 - More
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Interview 1:39:10 - 1:46:06 Play 1:39:10 - More
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Tiputini Biodiversity Station; Yasuni National Park; Primates  

NPR/NGS Radio Expeditions
29 Oct 2005

    Geography
  • Ecuador
    Orellana
    Locality
  • Tiputini Biodiversity Station
    Latitude/Longitude
  • -0.637633   -76.150389
    Recording TimeCode
  • 1:02:00 - 1:58:15
    Channels
  • Stereo
    Sampling Rate
  • 48kHz
    Bit Depth
  • 16-bit
    Recorders
    Microphones
  • Sennheiser MKH 50
  • Sennheiser MKH 20
  • Sennheiser MKH 30
    Accessories
    Equipment Note
  • Decoded MS Stereo to 0:09:15; Split Track Stereo with Rex Cocroft's pickup on left channel and MKH 20 on right channel to 0:51:06; Decoded MS Stereo to end

Ecuador DAT Log 6

Key:
DPAs: twin DPA 4060 omnis head=spaced
MS: undecoded mid-side with MKH50 hypercardioid mid, MKH30 fig8 side
20s: split track or spaced stereo with twin MKH20 omnis

RC = Rex Cocroft
AD = Abigail M. Derby
AC = Alex Chadwick
FW = Flawn Williams

DAT 6: MS. Saturday afternoon Oct 29.
00000 Rain from porch of cabin 11 2:45pm. Hard and heavy at first, dwindles to drips.
00917 Change to split track (Rex¿s pickup on left track, MKH20 on right track) for Flawn test walk with Rex around yard.
01100 RC: This place is full of ants¿can you hear them?
01200 RC: There¿s actually a ton of stuff on the grass here we might want to try¿
01307 RC: We aren¿t getting very good signal.
FW: The cartridge itself isn¿t making contact with the stem.
01500RC: I don¿t know what you could hear through there, but I can hear a couple of distant insect signals, one very low, whoo, whoo, do you hear that? And then¿but still quite distant. And they could be anywhere on this plant.
01550 RC: Do you hear that brrr brrr? Still quite distant.
01640 RC: I¿m going to move that cartridge again. So there¿s signals of two or three species in there, I don¿t know how well you can hear, the individuals themselves seem to be still quite distant, there¿s no telling where they might be, halfway up the tree.
01840 RC: Well we found a few signals in that plant but we didn¿t get close to any of them. (tech talk with FW.)
01945 RC: I think what we¿re hearing is probably these tiny gray leafhoppers¿the signals aren¿t traveling I guess very far through the plant.
02001 RC: I hear one faint signal ¿brrer¿in the background. But none of these in the foreground have called. And now we¿re getting some wind noise. Right now it¿s all wind induced.
02300 RC: So we¿re hearing a number of signals in the background, plus wind noise¿nothing in the foreground. I¿m gonna turn this off and reposition. So, test and see if that¿s¿that¿s the thing about recording under these conditions, that really don¿t know who you¿re hearing. Although you can get some idea if you hear something that¿s clearly in the foreground. So I¿m going to move things a little closer to this little group of insects up here. But trying to do it without alarming them unduly. 02440
(Tour continues, logging incomplete past 02440)
02615 audible insect calls on L ch, ambi on R
03100 Rex talks cont.
03330 ¿
03617 ¿
03843 distant insect calls L ch, ambi R
04137 ¿
04240 Rex describes what we¿re hearing¿faint signals mostly. Zipper sound, walk off
05106 Sunday Oct 30 5:30am switch to MS, no zep, HP filter, Alex and Flawn meet researcher Abigail M. Derby at library for chase to howler monkeys
05521 along Matapalo trail, howlers are audible but we¿re in motion
05850 we arrive at howler tree, howlers shut up
10140 short good morning bird ambi, then AC and AD talk offmike, then they leave
10420 ***** good dawn ambi, some distant birds, fly buzzes nearby,not much cicada, to 10600
10800 *****AD: ¿They may not howl again.They howled for thirteen minutes, which is sort of a decent average. They can howl for up to to 45 minutes to an hour. And sometimes they¿ll do separate bouts where they¿ll go 10 or 15 minutes, and then 30 minutes later they¿ll go another 10 or 15 minutes. But many times they¿ll just do it once in the mornings. (Pause) This is another group (howling in distance). That group¿s across the river. So unless you want to take a swim we probably won¿t be able to get there. But that¿s at least 800 to 900 meters away. So you can hear it that well from that far away.
10905 ***** AD: They have an enlarged and hollow hyoid bone which allows the resonation of the sound and the very low frequency to allow the sound to travel long distances.
AC: might these guys respond to that?
AD: *****(continues, not logged)
11140 more dawn chorus birds, then relocate a short distance
11400 ***** dewdrops in forest, some birds in distance, one good bird in side image to 11510
11550 ***** more active multiple birds in dewdrop ambi, good fly buzz, to 11640
11735 AC: There¿s a small colony of squirrel monkeys right above us, and Abigail says when they see us they¿ll start vocalizing. (They don¿t.)
11745 AD: (not transcribed)
11910 AC and AD whisper offmike, then come on mike, (not transcribed)
12150 ***** good forest birds, owlish one in center, later at 12530 a more raucous bird
12630 AD and AC whisper offmike
13010 ***** good edgy rhythmic insect bursts for a few seconds in quiet ambi
13130 ***** cricket starts up for a brief time in quiet ambi, dewdrops continue
13330 ***** quick active bird sound in quiet ambi
13440 ***** good crowish birds fly by, then come back close, then settle to mid distance and squabble for several minutes.
13910 AC intvs AD, IDd at top, AD describes diversity at Tiputini vs. in the park across the river. Hunting at the other site. Helicopter overflights, oil camp downriver, exploration, dynamite blasts. This area has oil, eventually they¿ll take it out. Concession on this land, 25 years, 12 years in now. Describes big fauna at Tiputini, would be disrupted by roads and development. Overflights, monkeys react as though to VERY large aerial predator. Flying right above the canopy. The vegetation shakes. 5-6 times a week. About once a day flyby.
14440 more ambi to 14500
14540 AD: I try to talk like spider monkey¿sometimes know what I¿m saying, sometime not.
Head back, end tape 6

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