Wildlife Science
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Browsing Wildlife Science by Subject "Bird nests"
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Item The Breeding Biology of Certain East African Horn Bills (Bucerotidae).(1932-1936) Moreau, R.E.; East African Agricultural Research Institute AmaniAlthough the habits of hornbills have long been recognised as exceptionally interesting, little in the way of connected observations on their behaviour at the nest has been published for any species. The first concern of anyone finding a nest has nearly always been to cut down the tree or at least break open the hole. Chapin's notes on Bycanistes albotibialis (1931) and Hoesch's on Lophoceros fiavirostris lcucomelas (1934) are exceptional; but there still appear to be no records through all the stages of a hornbill's nesting without interference, conclusive if not fatal, by man. Of the three species for which I am able to put forward original observations in this paper, two of them, Bycanistes cristatus and Lophoceros deckeni, have,' so far as I can discover, not had their nesting described in any way before.Item Numerical Data on African Birds' Behaviour at the Nest: Hirundo S. Smithii Leach, the Wire-Tailed Swallow.(1939) Moreau, R.E.; East African Agricultural Research StationThe observations on which this series of papers is based have been made almost entirely by Africans who are able to read and write Swahili. Equipped with note-book, pencil, and ordinary watch, they have made observations for continuous spells of five hours and upwards in the day, and noted the time at which every event occurred, especially the arrival and departure of parent birds. Compared with mechanical systems of recording, the use of African observers has the obvious disadvantage of human fallibility. But I am satisfied from the frequent surprise visits that I paid and from the short spells of watching I was able!, to do myself, that the Africans' records are faithful; and their work has the great advantage over mechanical records that as they became interested; which they did to a surprising and gratifying degree, they began to amplify their bare records of standard events with notes that were often significant. It may be added that the average cost of the observations is less than 1 ½ per hour.Item On the Bateleur, Especially at the Nest(1945) Moreau, R.E.; East African Agricultural Research Institute AmaniAn account is given of one hundred hours of observations at a Bateleur'a nest in north‐eastern Tanganyika Territory. The adults were a white‐backed bird and a chestnut‐backed, with a sub‐adult; probably over three years old, in association with them. The youngster took 130 dap to fledge. During at least part of the time all its food was brought by the white‐backed adult. When the fledgling was about one month old its feeds averaged about one in eight hours; during its last week in the nest feeds were nearly three times as frequent.
