| 000 | 00000nam 2200000za 4500 |
| 001 | 9.848990 |
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| 003 | CaOODSP |
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| 005 | 20241203113641 |
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| 007 | cr ||||||||||| |
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| 008 | 171218s1972 onc ||||o f000 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 041 | |aeng|afre |
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| 043 | |an-cn--- |
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| 086 | 1 |aCW69-9/26-PDF |
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| 100 | 1 |aErskine, Anthony J., |d1931- |
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| 245 | 14|aThe co-operative Breeding Bird Survey in Canada, 1971 |h[electronic resource] / |cby Anthony J. Erskine = Étude collective des populations d'oiseaux nicheurs du Canada en 1971 / par Anthony J. Erskine. |
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| 246 | 11|aÉtude collective des populations d'oiseaux nicheurs du Canada en 1971 |
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| 260 | |aOttawa : |bCanadian Wildlife Service = Service canadien de la faune, |c1972. |
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| 300 | |a29, [2] p. |
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| 490 | 1 |aProgress notes ; |vno. 26 = |aCahiers de biologie ; |vn° 26 |
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| 500 | |a"May 1972." |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 520 | |a"In 1971 we continued thls cooperative attempt to detect and measure year-to-year changes in numbers of birds (chiefly songbirds)"--Introd. |
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| 546 | |aText in English and French. |
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| 692 | 07|2gccst|aBirds |
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| 692 | 07|2gccst|aSurveys |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aCanadian Wildlife Service. |
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| 792 | |tThe co-operative Breeding Bird Survey in Canada, 1971 |efre|w(CaOODSP)9.848992 |
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| 830 | #0|aProgress notes (Canadian Wildlife Service)|vno. 26|w(CaOODSP)9.504439 |
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| 856 | 40|qPDF|s1.36 MB|uhttps://publications.gc.ca/collections/collection_2017/eccc/CW69-9-26.pdf |
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