In November, the birds most often reported at Mann Lake are Mallard (97%), Canada Goose (89%), and Western Grebe (86%). It is busiest in summer, when 89 species turn up on at least 1 in 20 checklists, and species counts peak in late August (100 species). 191 species have been reported here across 1,366 complete checklists from 229 birders.
Species by week
Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Dunlin6.1% of checklists here vs 0.3% statewide: 22.5×
Least Sandpiper20% of checklists here vs 1.1% statewide: 18.5×
Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it.