Song of male is a distinctive churr that rises in pitch and then levels off. occasionally ending with a single a#39;a#39;wowaquot; note. ... territorial encounters with other males; adults and chicks make guttural hissing sounds during threat/defence displays. ... Clutch 1-2 eggs, elliptical, matt or glossy, creamy-pink, blotched and smeared brown, finely speckled grey and lilac-grey, markings denser around blunt end; lays ... SPECIES ACCOUNTS PLATE 35 Genus MACRODIPTERYX Swainson, 1837 82.
|Title||:||Handbook of the Birds of the World: Barn-owls to hummingbirds|
|Author||:||Josep del Hoyo, Andrew Elliott, Jordi Sargatal|