The purpose of the DRHW is to collect systematic data on the migration of hawks, eagles, vultures and falcons at the mouth of the Detroit River from 01 September through 30 November.  Data is collected by DRHW and is submitted to the International HAWKCOUNT* database provided by the Hawk Migration Association of North America (HMANA). There it is combined with data from other Hawk Watch sites in North America to provide insight into the distribution and abundance of migratory birds of prey. The monitoring program is largely a VOLUNTEER effort.
* - HAWKCOUNT is a project of the Hawk Migration Association of North America (HMANA)
DRHW then disseminates findings to the public and to the scientific community (through reports and journal articles). All of the findings are on the "resources" page of this website. Click on the links on that page to view or download the recently published reports.
Seasonal Hawk Movement
(Click on picture for a larger image)
 Seasonal distribution of raptors through Lake Erie Metropark and Pt. Mouillee between 01 September and 30 November. Results based on data collected between 1991-2008 and is displayed on a log-linear plot. |
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Count Data |
