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Michael P. Guilfoyle, Auteur ; Heather L. Farrington, Auteur ; Richard F. Lance, Auteur ; Katie C. Hanson-Dorr, Auteur ; Brian S. Dorr, Auteur ; Richard A. Fischer, AuteurAbstract. Paired throat and cloacal swabs, along with feather samples, from nesting Double-crested Cormorants (Phalacrocorax auritus) at two sites in Illinois, USA, were tested for presence of invasive bigheaded carp (Hypophthalmichthys spp.) DN[...]
Article
Richard A. Fischer, Auteur ; Sidney A. Gauthreaux, Auteur ; Jonathon J. Valente, Auteur ; Michael P. Guilfoyle, Auteur ; Michael D. Kaller, AuteurFor decades, researchers have successfully used ground-based surveys to understand localized spatial and temporal patterns in stopover habitat use by migratory birds. Recent technological advances with WSR-88D radar now allow such investigations[...]
Article
Emily B. Cohen, Auteur ; Frank R. Moore, Auteur ; Richard A. Fischer, AuteurLong-distance migration is characterized by periods of flight, when energy stores are consumed, and periods of stopover, when energy stores are replenished. The duration of the migratory period is largely determined by time spent at stopover sit[...]
