| Class | Activity budget levels | Mean minutes in flight per day (commuting to forage) | |||
| April | May | June | July | ||
| Males | Low | 66 | 22 | 36 | 18 |
| Average | 105 | 50 | 75 | 40 | |
| High | 180 | 100 | 150 | 80 | |
| Females | Low | 6 | 12 | 6 | 3 |
| Average | 40 | 55 | 30 | 15 | |
| High | 90 | 120 | 75 | 35 | |
| Fledgling | Low | 0 | 0 | 0 | 0 |
| Average | 0 | 0 | 0 | 10 | |
| High | 0 | 0 | 0 | 60 | |