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A colourful tropical world

A large dataset quantifying variation in bird colourfulness lends support to a long-hypothesized latitudinal diversity gradient in animal colouration.

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Fig. 1: Schematic of the main methodological steps for analysing latitudinal gradients in colourfulness in passerine birds worldwide.


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Correspondence to José Alexandre Felizola Diniz-Filho.

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Diniz-Filho, J.A.F. A colourful tropical world. Nat Ecol Evol 6, 502–503 (2022).

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