What characteristic is associated with the 'Barbarian strategy' adopted by some finches?

Answer

Low sexual dimorphism and highly gregarious behavior

The Barbarian strategy is associated with harsh environments, leading to nomadic flocks, high reproductive output, and low sexual dimorphism, suggesting sexes look similar to conserve resources.

What characteristic is associated with the 'Barbarian strategy' adopted by some finches?
birdanimaldescriptionfinch