What is an example of behavioral isolation?

Behavioral isolation occurs when two species exhibit differences in their mating behaviors or rituals, which prevents them from interbreeding even if they live in the same area. The example of two birds with different mating songs illustrates this concept clearly. Each species has evolved unique songs that attract only their mates, ensuring that they select partners from their own species rather than from others. This behavioral difference serves as a reproductive barrier, effectively isolating the species and maintaining their genetic integrity.

The other scenarios mentioned exemplify different forms of reproductive isolation. Geographic isolation, such as the two species separated by mountains, prevents species from interbreeding due to physical barriers. Temporal isolation, seen in species that mate at different times of the year, restricts mating opportunities. Lastly, ecological niche isolation refers to species occupying different habitats within the same area, which can lead to reduced interactions. However, it is the distinct mating songs that specifically highlight behavioral isolation.