Gill, F., D. Donsker, and P. Rasmussen, eds. 2022. IOC World Bird List (v 12.1). Available at http://www.worldbirdnames.org [Accessed 21 Jan, 2022]
Reference for:
Halcyon gularis
Source:
eBird/Clements Checklist (2021)
Acquired:
2021-12-03
Notes:
Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
Reference for:
Halcyon gularis
Source:
HBW and BirdLife Int. v.5 (2020)
Acquired:
2021-12-03
Notes:
HBW and BirdLife International (2020) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 5. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v5_Dec20.zip