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Daily organization of vocalizations of forest-edge birds in Wisconsin
(1986-10-01)
The daily patterning of vocalizations was determined for 15 species of forest-edge birds at the UWM Field Station. Species that were predominately callers (gave few songs) had very erratic patterns of vocalizations. Species ...
Long-term population fluctuations of small mammals at the UWM Field Station
(1988-04-01)
Population sizes of four small mammals, Peromyscus leucopus, Microtus pennsylvanicus, Blarina brevicauda, and Sorex cinereus, were monitored for over twenty years at the UWM Field Station. P. leucopus had moderate fluctuations ...
Purple loosestrife (Lythrum salicaria): Its status in Wisconsin and control methods
(1987-04-01)
Data were gathered in 1984 on the distribution, size, and habitat of populations of purple loosestrife in Wisconsin. Lythrum salicaria was found throughout Wisconsin, but most populations were still small and amenable to ...
Female dominance among Purple Finches (Carpodacus purpureus) in winter flocks
(1987-10-01)
The dominance of females over males in winter flocks is rare. In this paper, I report on female dominance over males in winter flocks of Purple Finches (Carpodacus purpureus). Females won nearly all observed intersexual ...