. Bulletin of the British Ornithologists' Club. Vol. 84 50 Bulletin London Zoo, where it now is. In captivity this young bird has shown itself tame, confiding and consistently alert by day. This last may perhaps be a character of the species, if our record of , quoted below, really relates to this owl, because Dr. Pringle has been told of an owl of this type on the wing in an estate near Amani by day. But during his years of residence at Amani Dr. Pringle has heard a "loud, repeated, guttural but resonant grunt from the forest canopy'' on only ' 'two evenings about an hour be
. Bulletin of the British Ornithologists' Club. Vol. 84 50 Bulletin London Zoo, where it now is. In captivity this young bird has shown itself tame, confiding and consistently alert by day. This last may perhaps be a character of the species, if our record of , quoted below, really relates to this owl, because Dr. Pringle has been told of an owl of this type on the wing in an estate near Amani by day. But during his years of residence at Amani Dr. Pringle has heard a "loud, repeated, guttural but resonant grunt from the forest canopy'' on only ' 'two evenings about an hour before sunset". When examined on 13th September 1962 the new arrival in London agreed with the Berlin juvenile in having the whole back and underparts white with widely spaced narrow dark-brown bars, while, as seen in the. Photograph: The Zoological Society of London Bubo vosseleri at approximately 1 \ years. photographs, the white tips of the greater coverts produced a very distinct wing-bar. The "ears", too, were white with buff tips; the strong dark-brown border of the orange-brown facial disc was reinforced by a blackish brown patch on the upper, inner, side of the eye. The eyes were deep warm brown, the pale blue eyelid naked, with long black lashes. The very strong black nasal bristles extended to the tip of the beak, which was pale bluish horn, becoming yellowish at the tip. The feet were very pale. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Ornithologists' Club. London : British Ornithologists' Club
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