Great reed warbler. Photo: Wkimedia commons (Hobbyfotowiki)
Fig. 2 from the article: The effect of day in the breeding season on the number of single songs produced by great reed warbler females during 2-h periods in the early period of incubation
New paper: on the functional significance of female song in a temperate migratory species: nearly 40% of female great reed warblers sing early in incubation, likely to signal territory and reproductive status
➡️ vist.ly/4vgyh
#ornithology #birds #femalesong #vocalisations