Northeastern Naturalist Volume 28, Number 1, 2021

Contents. Click on the hotlinked titles to view open-access first pages with abstracts.

Front cover
Inside front cover
Board of Editors/indicia page
RESEARCH ARTICLES
*Stable Isotope Values Suggest Opossums (Didelphis virginiana) at the Northern Edge of Their Range Do Not Seasonally Molt* Lisa L. Walsh and Priscilla K. Tucker	1
Forest Succession and Tree Identity Shape Species and Functional Group Richness of Ant Communities In New England Maggie Anderson and Israel Del Toro	9
Predictors of Biofilm Biomass in Oligotrophic Headwater Streams Miriam O. Bayer, Leah K. Swartz, and Winsor H. Lowe	28
Ecology of an Isolated Muskrat Population During Regional Population Declines Laken S. Ganoe, Matthew J. Lovallo, Justin D. Brown, and W. David Walter	49
*Late Ice-off Negatively Influences Breeding in Common Loons (Gavia immer)* Kristin Bianchini, Robert Alvo, Douglas C. Tozer, and Mark L. Mallory	65
Records of Fleas (Siphonaptera) and Other Ectoparasites from Maine Ralph P. Eckerlin and Alfred L. Gardner	77
Birth-site Selection by White-tailed Deer in an Area with Low Risk of Predation Justin R. Dion, Angela M. Holland, Jacob M. Haus, Joseph E. Rogerson, and Jacob L. Bowman	94
*Home Range of a Breeding Male Bald Eagle (Haliaeetus leucocephalus) Tracked via Satellite Telemetry in Kentucky* Kate G. Slankard, Michael D. Patton, and Bryan D. Watts	106
NOTES
*A Maternity Roost of Silver-haired Bats (Lasionycteris noctivagans) in New Brunswick: First Evidence of Parturition in Atlantic Canada* Donald F. McAlpine, Jenna L. Bullied, and Pamela D. Seymour	N1
Erratum	N6