Upper Midwest Environmental Sciences Center
![]() |
Home/ Overview/ Science Programs/ Data Library/ Products and Publications/States/ Rivers/Teachers and Students/ Links/ Contact/ Search |
Tree swallows are a useful bird species to measure exposure and effects of environmental contaminants:
Aquatic insects emerge from river sediments, so the swallows' tissues reflect levels of contaminants in sediments.
|
![]() |
||
Project page |