000 02118nam  2200361za 4500
0019.856520
003CaOODSP
00520221107155541
007cr |||||||||||
008180514s1987    onc    #ot   f|0| 0 eng d
020 |z0-662-15666-8
022 |z0831-6481
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn-on
0861 |aCW69-5/31E-PDF
1001 |aBlancher, Peter J.|d1954-
24510|aDiet of nestling Tree Swallows (Tachycineta bicolor) near Sudbury, Ontario, summer 1986 |h[electronic resource] / |cPeter J. Blancher ; Caren L. Furlonger ; Donald K. McNicol.
260 |a[Ottawa] : |bCanadian Wildlife Service, Ontario Region, |c1987.
300 |aii, 14 p.
4901 |aTechnical report series ; |vno. 31
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographic references.
5203 |a"We present some preliminary information on the diet of nestling Tree Swallows (Tachycineta bicolor) northeast of Sudbury, Ontario in 1986. Flies (Diptera) comprised nearly half of the diet items, but aphids (Aphididae), mayflies (Ephemeroptera), dragonflies and damselflies (Odonata), beetles (Coleoptera), and ants and wasps (Hymenoptera) were also important in the diet. Close to half of prey items were aquatic in origin. Of these, mayflies and mollusc shells were more prominent in the diet near wetlands of relatively high pH, than near wetlands of lower pH. Aquatic prey were of larger average size than terrestrial prey. The relative merits of several diet collection methods are discussed"--Abstract, p. i.
546 |aIncludes abstract in French.
69207|2gccst|aMigratory birds
7001 |aFurlonger, Caren L.
7001 |aMcNicol, Donald Keith, |d1954-
7101 |aCanada. |bEnvironment Canada.
7102 |aCanadian Wildlife Service. |bOntario Region.
830#0|aTechnical report series (Canadian Wildlife Service)|vno. 31.|w(CaOODSP)9.504438
85640|qPDF|s688 KB|uhttps://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-31-eng.pdf