. The Canadian field-naturalist. Natural history. 2003 Dombrowksi, Bourgeois, Couture and Linard: Pintails 607. 15 Apr 20 Apr 25 Apr 30 Apr Collection date (1997) 05 May 10 May ⢠b _ - Li o | - â¢â¢ Â¥ ⢠3 o - o ⢠0 S o o O O â D o O o ⢠| oo 5 o H - - Follicle size (mm) - c ⢠- ⢠- â - o 0 o o o o o ⢠⢠⢠⢠⢠⢠- ⢠- - Follicle size (mm) Figure 1. (A) Diameters of the largest ovarian follicle in the 27 female North


. The Canadian field-naturalist. Natural history. 2003 Dombrowksi, Bourgeois, Couture and Linard: Pintails 607. 15 Apr 20 Apr 25 Apr 30 Apr Collection date (1997) 05 May 10 May ⢠b _ - Li o | - â¢â¢ Â¥ ⢠3 o - o ⢠0 S o o O O â D o O o ⢠| oo 5 o H - - Follicle size (mm) - c ⢠- ⢠- â - o 0 o o o o o ⢠⢠⢠⢠⢠⢠- ⢠- - Follicle size (mm) Figure 1. (A) Diameters of the largest ovarian follicle in the 27 female Northern Pintails sampled at staging ground in spring 1997 according to sample date. (B)Total blood calcium in the 27 female pintails sampled at Staging ground in spring 1997 versus the largest ovarian follicle diameter. ((') Ash weight in the 27 female pintails sampled at Staging ground in spring 1997 versus the largest ovarian follicle diameter. Solid envies icpicscnl the nine females in RPG Stage (0 > mm, Esler 1994).. 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 Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club


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