Assertion: barn owl's flight | /r/HasProperty | frequent hovering intervals
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Source sentences:
text: Typical foraging is done with a relatively low quartering flight that includes frequent hovering intervals (Honer 1963, Burton 1973, Karalus and Eckert 1974, Marti 1974, Rudolph 1978, Bunn et al. 1982, Mikkola 1983, Rosenburg 1986).