Recommended Citation

Winkler, D. W., S. M. Billerman, and I.J. Lovette (2020). Long-tailed Tits (Aegithalidae), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.aegith2.01