ML120701
Humpback Whale Megaptera novaeangliae
- Age and sex
- Unknown age, Male - 1
- Playback
- Not specified
Media notes
NOTES: LNS notes: Latitude and Longitude taken from Noon Position Report. 30Jun2004 MLM. Reel box: "7Feb. Humpback playback. Signal levels poor. W-69-65-9 Test." Noon Position Report: "Course: drifting. Distance: 37. Stoppages: 10 for 17hrs45min. Ave. Speed: 5.9. State of Sea: calm. Weather & Wind: clear, light variable breeze." Deck Wildlife Watch: "Date: 7 February 1969. Vessel: Trident. Cruise: #65. Ship's position at start: off Mona Isl. Weather: nice. Wind: 10ENE. Sea state: 1. Visibility: 10." Deck Wildlife Watch: "19:00 to 23:45, tests on 1 Humpback whale." Notepaper: "February 7, 1969. Animal making sounds-different than before? Sounds litte diff. See notes. Fairly high level recording. perhaps high enough to study sequence. Shifted to bow hydrophone, so ruined sequence. Series of playbacks. noise level very high. Playback - (moan and rachet pulses) perhaps somewhat overloaded. couldn't tell whether sequence modif. or not. Playback - (Hawaiian Pilot Whale) couldn't tell. Playback - (Schevilles humpback tape) may have modified sequence, quiter after playback (or record level turned down) or did he surface. Level down so can't hear a thing. Which may be because sev. places. Preplay - record level down. Playback - (high freq. cries) after playback record level brought back up, so again can't tell a thing. Playback - (control noise). Playback - (high freq. cries??) level changed. Have to check sequence. Playback - (moans) level change, brought up after playback. Playback - (high freq. cries) level down after playback, then brought up. SEAOCEAN.
Technical information
- Recorder
- Microphone
- Accessories
Archival information
- Cataloged
- 30 Jun 2004 -
- Digitized
- 30 Jun 2004 -