ocr: a Gliding Quit Soaring A bird that is gliding in still air must eventually sink to the ground,but in some circumstances, soaring is possible in moving air - the bird may be able to stay air- borne without flapping its wings, by making use of the air movements. There are four soaring techniques: 1) thermal soaring, 2) slope soaring, 3) dynamic soaring, 4) sea-anchor soar- where warm air is where wind is which takes ad van- ing, in wind close rising * deflected hillside * upwards or a wind tages of speeds differet at dif- above of the the sea * surface by a wave * ferent heights - - I
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