birding-aus
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Subject: | Penguins and bubbles |
From: | Stephen Ambrose <> |
Date: | Wed, 25 Mar 1998 17:28:57 +1000 |
My memory may be playing tricks on me, but I seem to recall seeing submerged penguins exhaling bubbles of air when predatory seals were nearby, in a David Attenborough documentary a couple of years ago. The bubbles were produced by a group (raft, flock, herd?) of penguins, which irritated/tickled seals that got in the way. Can anyone else recall seeing this? I know that Hump-backed Whales use bubbles to round up schools of fish for food, which I also saw on a DA doco. Dr Stephen Ambrose Research Manager Birds Australia (Royal Australasian Ornithologists Union) Australian Bird Research Centre 415 Riversdale Road, Hawthorn East, VIC 3123. Tel: +61 3 9882 2622 Fax: +61 3 9882 2677 Email: S.Ambrose <> (at work) <> (at home) |
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