Nightjar, natterjack toad, field cricket, and other night owls can be observed in ideal weather conditions. Mysterious sounds fill the evening air. Curious? Useful information : Binoculars. Adapted dark-colored clothing (NO fluo) and boots (especially after rainy weather). Mosquito repellent can be useful. Maximum 25 participants. Registration required with Steven, no later than June 1, 2026.