Mountain sheep;: A study in behavior and evolution (Wildlife behavior and ecology)
| Country | USA |
| Brand | Willow Creek Press |
| Manufacturer | Willow Creek Calendars |
| Binding | Calendar |
| ReleaseDate | 2016-08-05 |
| Format | Wall Calendar |
| UPCs | 709786037452 |
| EANs | 0709786037452 |