The great hornbill and the toucan both eat the same fruit, insects, and nuts. They both live in the rainforest. Their large bills function to get food and also as warning coloration. Which of the following is a limiting factor to the toucan population?

The great hornbill and toucan share the same habitat and food sources, so they compete for limited food and other resources. Competition can limit how many toucans the rainforest can support. Bill coloration helps with feeding or warning, but it is not described as limiting the population.

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