Birds Movement

keywords:
feathers;
Pennae - outer feathers that define a birds structure
Plumulae- provides insulation (Webster, 2012)
Flight feathers:
Primary- The longest, used to propel birds forwards
Secondary: Provides Lift
Teratrity - 'Seemless surface between body and wing' (Webster, 2012, p.127)

Forces of motion:
Flight: weight, lift, drag, thrust. (Webster, 2012)

Movement:
Crows hop both symmetrical and asymmetrical (Webster, 2012)
Birds' wings can be suggested to look like hands and then change back when needed (Blair, 1994, p.64)

'the power stroke is the downward stroke against the cushion of air beneath the bird'
 (Whitaker, Halas and Sito, 2008, pp.108,)


bib:

Blair, P. (1994). Cartoon Animation. 1st ed. Tustin, Calif.: Walter Foster Publishing, Inc.

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Webster, C. (2012). Action analysis for animators. 1st ed. Waltham, Ma: Focal Press.

Newton, P. (2015). Animation for Beginners: How to Animate a Flying Bird. [online] Design & Illustration Envato Tuts+. Available at: https://design.tutsplus.com/tutorials/animation-for-beginners-how-to-animate-a-flying-bird--cms-25209 [Accessed 27 Jan. 2020].

‌Whitaker, H., Halas, J., and Sito, T. (2008). Timing for animation. 1st edition ed. New York: Focal Press, pp.108, 109.

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