Oaks Bottom Wildlife Refuge -
Oaks Bottom Wildlife Refuge is a city park of about 141 acres (57 ha) in southeast Portland, in the U.S. state of Oregon. Located in a floodplain along the east bank of the Willamette River near Sellwood, the park is known for attracting a wide variety of birds. In 1988, the park was named Portland's first wildlife refuge, and in 2004, it was designated the city's first migratory bird park.
Read more at Travel Oregon