leaving mainly large, tough seeds that the finches normally ignore. Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for ...

A close up of the large ground finch <i>Geospiza magnirostris ... and colleagues was titled, "A beak size locus in Darwin's finches facilitated character displacement during a drought." ...

Which beak movements are involved in such a sophisticated ... tiny-beaked Green Warbler-finch and the massive-beaked Large Ground-finch. Relative to their body size, Large Ground-finches have ...

This gene is most strongly expressed in the large ground finch (Geospiza magnirostris), which uses its robust beak to crack open large seeds and nuts. In other finches, a gene expresses a protein ...

The thinnest beak belongs to the green warbler finch which uses it to probe for insects. The massive, stout beak of the large ground finch enables it to crush big hard seeds. The long pointed beak of ...

For example, the cactus finch has a long beak that reaches into blossoms, the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped ...