@article{freitas_welker_pinheiro_2006,  title={Seasonal variation and food deprivation in common vampire bats (Chiroptera: Phyllostomidae)},  volume={66},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842006000600012},  DOI={10.1590/S1519-69842006000600012},  number={4},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Freitas, M. B. and Welker, A. F. and Pinheiro, E. C.},  year={2006},  month={Nov},  pages={1051–1055} }