• Publications
  • Influence
A new Lagerstätte from the Middle Ordovician St. Peter Formation in northeast Iowa, USA
A new fossil fauna has been discovered from a recently recognized shale unit within the middle Ordovician St. Peter Formation in northeast Iowa. It contains a variety of invertebrates andExpand
  • 43
  • 5
Use of a communal roost by Turkey Vultures in northeastern Iowa
Communal roosts are an important aspect of Turkey Vulture ( Cathartes aura) biology, but remain inadequately studied. We observed the use patterns of Turkey Vultures at a communal roost inExpand
  • 10
Trophic Ecology of Burrowing Owls in Natural and Agricultural Habitats and an Analysis of Predator Communities using Stable Isotopes of Carbon and Nitrogen
19 Introduction 20 Objective 1: Compare Burrowing Owl Food Habits Between Habitats and Among Groups 25 Objective 2: Establish Food Webs for Agricultural and Natural Habitats 26 Study Species 26
  • 2