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Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261. DOI: 10.1111/cobi.13486.

del Hoyo, J., Elliott, A. and Christie, D. 2009. Handbook of the Birds of the World, vol. 14: Bush-shrikes to Old World Sparrows. Lynx Edicions, Barcelona, Spain.

Eaton, J.A., van Balen, B., Brickle, N.W. and Rheindt, F.E. 2021. Birds of the Indonesian Archipelago: Greater Sundas and Wallacea. Second Edition. Lynx Edicions, Barcelona, Spain.

Global Forest Watch. 2023. Interactive Forest Change Mapping Tool. Available at: http://www.globalforestwatch.org/.

Hansen, M.C., Potapov, P.V., Moore, R., Hancher, M., Turubanova, S.A., Tyukavina, A., Thau, D., Stehman, S.V., Goetz, S.J., Loveland, T.R., Kommareddy, A., Egorov, A., Chini, L., Justice, C.O. and Townshend, J.R.G. 2013. High-resolution global maps of 21st-century forest cover change. Science 342: 850-853.

IUCN. 2024. The IUCN Red List of Threatened Species. Version 2024-2. Available at: https://www.iucnredlist.org. (Accessed: 22 October 2024).

Mittermeier, J.C., Cottee-Jones, H.E.W., Purba, E.C., Ashuri, N.M., Hesdianti, E. & Supriatna, J. 2013. A survey of the avifauna of Obi island, North Moluccas, Indonesia. Forktail 29: 128-137.

Vetter, J. 2009. Impacts of Deforestation on the Conservation Status of Endemic Birds in the North Maluku Endemic Bird Area from 1990-2003. Nicholas School of the Environment, Duke University.

Voigt, M., Supriatna, J., Deere, N.J., Kastanya, A., Mitchell, S.L., D Rosa, I.M., Santika, T., Siregar, R., Tasirin, J.S., Widyanto, A., Winarni, N.L., Zakaria, Z., Mumbunan, S., Davies, Z.G. and Struebig, M.J. 2021. Emerging threats from deforestation and forest fragmentation in the Wallacea centre of endemism. Environmental Research Letters 16(9): 094048.

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Recommended citation
BirdLife International (2024) Species factsheet: Long-billed Crow Corvus validus. Downloaded from https://datazone.birdlife.org/species/factsheet/long-billed-crow-corvus-validus on 22/11/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 22/11/2024.