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In 1947 Weitnauer ringed swifts at the nest and found that birds bred only from their second year. 1952 Weitnauer suspected swifts to be spending the night in the air and began his studies making use of a balloon, aircraft and then radar. He found that non-breeding swifts roosted in the air while
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he was among the first to establish that house swifts roosted in flight in the air at night. He studied the biology of the house swift, later collaborating with Bruno
Bruderer.
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He was also involved in bird conservation and education. He was also an organist and served as a lay preacher, presiding over the
Oltingen-Wenslingen-Anwil church association.
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to weaver Johann Jako and Emilie Buess. After the early death of his mother, he was taken care of by an aunt. He became a primary teacher in 1924 at
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and then at
Oltingen . He took an interest in birds and began to study them in detail. His special subjects were owls and swifts. He joined the
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235:"Ornithologische Forschung im 20. Jahrhundert in der Schweiz – ein erfolgreiches Miteinander von Fachleuten und Laienornithologen"
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breeding pairs roosted at the nest. Towards the end of his life he published a book on the house swift.
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Weitnauer, E. (1952). "Uebernachtet der
Mauersegler, Apus apus (L.), in der Luft?".
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162:"Age of First Breeding and Adult Survival Rates in the Swift"
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222:. Basel: Verl. Basellandschaftlicher Vogelschutzverband.
220:"Mein Vogel" aus dem leben des Mauerseglers (Apus apus)
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146:Das Personenlexikon des Kantons Basel-Landschaft
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122:"Zur Erinnerung an Dr. h. c. Emil Weitnauer"
120:BrĂĽckner, Roland; Bussinger, Karl (1992).
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61:(17 February 1905 – 15 July 1989) was a
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149:. Liestal: Verlag Basel-Landschaft.
233:Blotzheim, U.N. Glutz von (2009).
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91:in 1977 and began to study the
242:Der Ornithologische Beobachter
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201:Ornithologische Beobachtungen
160:Perrins, Christopher (1971).
281:People from Basel-Landschaft
143:Birkhäuser, Kaspar (1997).
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276:University of Basel alumni
178:10.1080/00063657109476297
68:and ornithologist. Using
218:Weitnauer, E. (1980).
95:in collaboration with
79:Weitnauer was born in
39:Oltingen, Switzerland
271:Swiss schoolteachers
266:Swiss ornithologists
89:University of Basel
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36:February 17, 1905
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97:Bruno Bruderer.
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66:school teacher
59:Emil Weitnauer
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52:(aged 84)
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20:Emil Weitnauer
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48:July 15, 1989
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172:(2): 61–70.
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50:(1989-07-15)
291:1989 deaths
286:1905 births
93:house swift
260:Categories
248:(1): 3–48.
166:Bird Study
107:References
85:Ormalingen
32:1905-02-17
186:0006-3657
207:: 37–44.
81:Oltingen
70:balloons
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132:: 166.
238:(PDF)
74:radar
63:Swiss
182:ISSN
72:and
45:Died
26:Born
246:106
174:doi
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