Simcoe County Bird and Nature Board. POSTS MUST INCLUDE FULL NAME AND EMAIL ADDRESS OR THEY WILL BE DELETED FROM THE BOARD. Banners at top of page cannot be blocked but are not part of the page. BOB BOWLES
Re(1): 14

I have a nest box program on the Green River in the Washago area and observe mergansers nesting daily. An average clutch for one bird is 15 but when dumping takes place two levels of eggs sometimes fill the boxes and if one ambitious bird sits on them I have seen up to 21 survive. However these boxes are often abandoned.interestingly hooded mergansers will lay eggs in a commons nest and they hatch along with the commons.


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