. Elements of zoölogy. Zoology. Fig. 306.—Yellow toucan, showing enormous serrated Fig. 307.—Section of skull of hornbill (Buceros), showing air-cavities. * Their nest-building is most remarkable and applies equally to African species. A hollow tree is selected, in which the female takes her place and forms a nest of feathers, the cavity being immediately walled up with mud by the male, leaving only a small orifice for her bill. The plaster soon hardens and she is a prisoner, fed by the male through the hole until the eggs are laid, hatched, and the young fully fledged. The young are pe
. Elements of zoölogy. Zoology. Fig. 306.—Yellow toucan, showing enormous serrated Fig. 307.—Section of skull of hornbill (Buceros), showing air-cavities. * Their nest-building is most remarkable and applies equally to African species. A hollow tree is selected, in which the female takes her place and forms a nest of feathers, the cavity being immediately walled up with mud by the male, leaving only a small orifice for her bill. The plaster soon hardens and she is a prisoner, fed by the male through the hole until the eggs are laid, hatched, and the young fully fledged. The young are perfectly naked at birth (Fig. 308).. 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 Holder, Charles Frederick, 1851-1915; Holder, Joseph Bassett, 1824-1888, joint author. New York : D. Appleton and company
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1884
