The value of citizen science is exemplified in A Rocha’s spring raptor migration project, located 125 km southwest of Winnipeg. Since 2005, this count has attracted hundreds of visitors to Manitoba’s scenic Pembina Valley to observe migrating birds of prey including eagles, hawks and falcons. The project endeavours to annually capture nearly the entire migration period of 16 species from late February or early March through most of April. Although two primary counters are key to ensure continuity and standardization of data collected, the project owes much to the help of interested birdwatchers and other enthusiasts who aid in spotting, identifying and counting these raptors.  In 2009, a record spring count of 10,000 was achieved. Red-tailed Hawks, Bald Eagles and Sharp-shinned Hawks were the top three species seen. The Pembina Valley site is the top ranked site for the number of migrating spring Red-tailed Hawks in North America.