The Kalamazoo Nature Center 7000 N Westnedge Ave. Kalamazoo, MI 49009
Phone: 269-381-9738 Fax: 269-381-1228 Email: miatlas@naturecenter.org Website: http://www.naturecenter.org
OB - Observed O - Species observed during its breeding season, but no evidence of breeding in block.
PO - Possible # - Species observed in suitable nesting habitat during its breeding season. X - Singing male present in suitable nesting habitat during its breeding season.
PR - Probable S - Singing male present at same location on at least tow dates at least seven days apart or multiple (5 or more) singing males on the same date during the breeding season. P - Pair observed in suitable nesting habitat during breeding season. T - Territorial behavior (chasing individuals of the same species). C - Courtship behavior or copulation N - Visiting probable nesting site. A - Agitated behavior or anxiety calls from adult. B - Nest building by wrens or excavation of holes by woodpeckers.
CO - Confirmed NB - Nest building by all except woodpeckers and wrens PE - Physiological evidence of breeding or brooding based on bird in hand. DD - Distraction display or injury feigning. UN - Used nests or eggshells found. Caution: These must be carefully identified. FL - Recently fledged young (of altricial species)incapable of sustained flight, or downy young (of precocial species) restricted to the natal area by dependence on adults or limited mobility. ON - Occupied nest - adults entering or leaving nest site in circumstances indicating occupied nest (includes high nests or nest holes, the contents of which cannot be seen) or adult incubating or brooding. FY - Adult(s) with food for young (carrying food) or feeding young. FS - Adult caarrying fecal sac. NE - Nest with eggs. NY - Nest with young seen or heard.