This was a field-based experiment to attempt to answer a question: Do birds have a favourite colour? Four coloured feeders (dark blue, green, yellow and red) and a clear control were used. The number of visits and the mass change …
Environment
Do birds have a favourite colour?
This was a field-based experiment to attempt to answer a question: Do birds have a favourite colour? Four coloured feeders (dark blue, green, yellow and red) and a clear control were used. The number of visits and the mass change …