| 2015 | |
| 2016 | |
| 2017 | |
| 2018 | |
Note to Commenters: If you are reporting a sighting, be sure to include the location (city, state, country), date and time of your sighting. Be detailed in your description. You may also use our report form to report your sighting. Comments will be published if they are in "good taste" and not inflammatory.