| We found that parental males keep track of how many sneaker males they see loitering near their nests during spawning time. |
| I helped keep track of Zoe last month, I let them know when she flew the coop, and they don't even let me know anything about her! |
| But officials admit they cannot keep track of how much is exported, as few are willing to pay export taxes or declare their income. |
| Trying to keep track of 18 people rapidly debasing themselves in the hope of winning a million dollars was no easy feat. |
| How doddery old pensioners manage to keep track of that darn game, I'll never know. |
| Their job is to keep track of aircraft while they are en route or during the high-altitude cruise phase of their flights. |
