Quiz: Can You Pass the Dawn Chorus Challenge? PopBiology Owl Apr 17, 2026 0 1. What are zebra finches actually doing during the pre-dawn darkness, before the first light appears? Sleeping deeply, with occasional bursts of dreaming activity In light sleep, easily woken by nearby sounds Fully awake and alert – but completely unable to sing Drifting in and out of a half-awake state None 2. Scientists figured out the dawn chorus by patiently observing birds in their natural habitats True False None 3. In the lever-pressing experiment, researchers gave zebra finches a button that turned on light for 10 seconds at a time. What did the birds do during the hours before their scheduled dawn? They ignored the lever and waited quietly for natural light They pressed it once or twice, then settled back into rest They pressed it repeatedly – hammering it over and over for brief bursts of light so they could sing They only pressed it when they heard other birds vocalising nearby None 4. According to the research, what's the main evolutionary benefit of the dawn chorus? It synchronises the flock's activity for the day ahead It signals to predators that the territory is occupied and defended It allows birds to rapidly warm up and optimise their vocal performance while competition is highest It conserves energy by front-loading all singing into one concentrated period None 5. The dawn chorus requires both an internal biological clock and external light conditions working together – neither one alone is enough to trigger it True False None Time's up
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