Tinbergen painted some black-headed gull eggs white and then compared the predation rate on white eggs against that on natural, camouflaged, eggs. This is an example of which of the following approaches?

Question

Quizplus · Accepted Answer

Tinbergen's approach of painting eggs and comparing predation rates between altered and natural eggs is an example of the experimental method, where variables are manipulated to test their effects on outcomes, in this case, the effect of egg color on predation rates.

Tinbergen Painted Some Black-Headed Gull Eggs White and Then Compared