- [Wiki]
http://en.wikipedia.org/wiki/Emberizoides_ypiranganus.
- [avibase]
https://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=26E82632556F6CCD&sec=lifehistory.
- [ChiaFont2015]
Chiarani, E. and Fontana, C. S. (2015).
Breeding biology of the lesser grass-finch (Emberizoides
ypiranganus) in southern Brazilian upland grasslands.
The Wilson Journal of Ornithology, 127(3):441–456. doi:10.1676/14-137.1.
- [Kooy2010]
Kooijman, S. (2010).
Dynamic Energy Budget theory for metabolic organisation.
Cambridge Univ. Press, Cambridge.
- [PrinPres1991]
Prinzinger, R., A.Preßmar, and Schleucher, E. (1991).
Body temperature in birds.
Comp. Biochem. Physiol., 99A(4):499--506. doi:10.1016/0300-9629(91)90122-S.