|
| |
|
|
|
|
||||
| Home Help Feedback Subscriptions Archive Search Table of Contents | ||||
|
Fig. 2. Bird outlines drawn from video of a typical jump sequence. Time (ms) is
relative to the beginning of the jump, defined as when the vertical
acceleration became positive. (1) Bird standing upright. (2) Bird lowering
itself into a deep pre-jump crouch. (3) Jump start – point of deepest
crouch and start of first upward movement when acceleration becomes positive.
(4) Beginning of wing upstroke. (5) Middle of wing upstroke. 6) Start of
downstroke. (7) Lift-off.
|
