ESM 2 from Living in stable social groups is associated with reduced brain size in woodpeckers (<i>Picidae</i>) Natalia Fedorova Cara L. Evans Richard W. Byrne 10.6084/m9.figshare.4690075.v1 https://rs.figshare.com/articles/dataset/ESM_2_from_Living_in_stable_social_groups_is_associated_with_reduced_brain_size_in_woodpeckers_i_Picidae_i_/4690075 Woodpecker brain size and social organization data 2017-02-24 15:17:52 social intelligence theory social complexity group size brain evolution