A bird’s songs range from crowing ... The male blackcap (Sylvia atricapallia) has a dark cap on a pale gray body. Females ...

Bird song travels best at night ... to ensure that each will have enough food to survive the winter. The female black-headed grosbeak seems to use song to give her man a scare.

New research has provided fresh insights into how bird songs evolve over time, revealing a significant role for population dynamics in shaping song diversity and change. The findings are based on ...