| Recording ID: | 13236 |
| Common Name: | northern harrier |
| Genus: | Circus |
| Species: | cyaneus |
| Date: | 1974-07-23 |
| Time: | 1635 |
| Last Name: | Bildstein |
| First Name: | Keith L |
| Country: | USA |
| State: | Wisconsin |
| County: | Portage |
| City: | Bancroft (near) |
| Site: | 20-80 ft from nest |
| Latitude: | 44.4166666666667 |
| Latitude Direction: | N |
| Longitude: | 89.7833333333333 |
| Longitude Direction: | W |
| Master Format: | 3 |
| Recorder: | Uher Report 4000-S |
| Microphone: | Uher M-514 |
| Parabola: | no |
| Recording Time: | 0130 |
| Recording Event: | 12 VG call(s) circling above nest, 20 ft, 3 FG call(s) circling above nest, 80 ft |
| Background: | parabola noise, wind, aircraft |
| Class: | Aves |
| Order: | Falconiformes |
| Family: | Accipitriidae Accipitrinae |
| Sex: | female(s) |
| Age: | adult(s) |
| Seen: | seen |
| Distance: | 37-46 m |