Little Grebe
| Recorded | 2011-04-20 |
| Location | Hortobagy, HU |
| Copyright | Beat Rüegger |
| Recorded | 2017-07-28 |
| Location | Villanueva del Fresno, ES |
| Copyright | Beat Rüegger |
| Family | Grebes |
| References | en.wikipedia.org |
405 | 509