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Bancroft, Wilder; Chamot, Emile M.; Merritt, Ernest; Mason, Clyde W. (1923). "Blue feathers"(PDF). The Auk. 40 (2): 275–300. doi:10.2307/4073818. JSTOR4073818. Archived(PDF) from the original on 12 July 2015. Retrieved 3 March 2013.
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Legge, S.; Cockburn, A. (2000). "Social and mating system of cooperatively breeding laughing kookaburras (Dacelo novaeguineae)". Behavioral Ecology and Sociobiology. 47 (4): 220–229. doi:10.1007/s002650050659. S2CID26382479.
Bancroft, Wilder; Chamot, Emile M.; Merritt, Ernest; Mason, Clyde W. (1923). "Blue feathers"(PDF). The Auk. 40 (2): 275–300. doi:10.2307/4073818. JSTOR4073818. Archived(PDF) from the original on 12 July 2015. Retrieved 3 March 2013.
Legge, S.; Cockburn, A. (2000). "Social and mating system of cooperatively breeding laughing kookaburras (Dacelo novaeguineae)". Behavioral Ecology and Sociobiology. 47 (4): 220–229. doi:10.1007/s002650050659. S2CID26382479.
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Bancroft, Wilder; Chamot, Emile M.; Merritt, Ernest; Mason, Clyde W. (1923). "Blue feathers"(PDF). The Auk. 40 (2): 275–300. doi:10.2307/4073818. JSTOR4073818. Archived(PDF) from the original on 12 July 2015. Retrieved 3 March 2013.
Bancroft, Wilder; Chamot, Emile M.; Merritt, Ernest; Mason, Clyde W. (1923). "Blue feathers"(PDF). The Auk. 40 (2): 275–300. doi:10.2307/4073818. JSTOR4073818. Archived(PDF) from the original on 12 July 2015. Retrieved 3 March 2013.