del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.
Whitney, B. M.; Pacheco, J. F. 1994. Behavior and vocalizations of Gyalophylax and Megaxenops (Furnariidae), two little-known genera endemic to northeastern Brazil. Condor 96: 559-565.
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View photos and videos and hear sounds of this species from the Internet Bird Collection
Recommended citation
BirdLife International (2023) Species factsheet: Synallaxis hellmayri. Downloaded from
http://datazone.birdlife.org/species/factsheet/red-shouldered-spinetail-synallaxis-hellmayri on 08/06/2023.
Recommended citation for factsheets for more than one species: BirdLife International (2023) IUCN Red List for birds. Downloaded from
http://datazone.birdlife.org on 08/06/2023.