Holmes,R 1963 10. C. melanotos 10 June Barrow, Alaska dropped, hid upr chat partly out - save modified hood - The bird looked for a few seconds only - then stood upright in alert aggressive posture; several picks even albuines to the tool ! (he wel ) the model, The bird then stood off sec miles - in an alert posture, with throat "sagging". He stood free looking at his model (at me (15'away) - as he did i, The throat sac would inflate slightly, with each breath, xi inhale - a thrott bulgelout, then deflate - exhale. One wherbe was alarmed by my moving The sac filled with air, then deflotes slowly. The could be heard see - Some the bird became tense when alarmed, if Mr was followed immediately by the air sac inflating. Several of 8's were tried to see They would respond - They didn't - perhaps the Wreak scared them. 11 June Two 8's chasing + displaying a bead ridge near former white - rump area. In one instance, two met in air, one following close behind the other - in fact the me while erupting up & physical bangs The other with his side - which is likely