The common toad (Bufo bufo) - dark coloration

Szkudlarek, Michał

doi:10.33256/hb148.4748

Cited by 1 publication

(1 citation statement)

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“…The eyes of axanthic individuals contain melanophores and iridophores, giving them a dark color (Frost et al 1984;Frost-Mason and Mason 1996). Some axanthic animals that appear darker than normal in color, particularly reptiles, may be mistaken for those with melanism (Frost-Mason and Mason 1996) but can be differentiated by possessing discernible patterns that are lighter in color (Szkudlarek 2019). Axanthism has been reported to vary in prevalence between populations and evidence from ranids in the United States suggests that it is far more common at higher latitudes (Berns and Uhler 1966), perhaps suggesting some thermoregulatory advantage of the darker blue coloration.…”

Section: Addermentioning

confidence: 99%

Taste the rainbow: A review of color abnormalities affecting the herpetofauna of the British Isles

Allain

Clemens

Thomas

2023

RandA

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Over the years, the terminology in regards to the abnormal coloration of reptiles and amphibians has become more complex with not all authors in agreement regarding the different terms. This, combined with the diversity of chromatic abnormalities, has led to some confusion, particularly between hobbyists and conservationists who tend to use different technical jargon. In this review, we aim to tackle this issue by explaining how color within the skin of amphibians and reptiles arises, and evaluating which terminology should be used. This information will then be used to explore each of the known chromatic abnormalities observed in amphibians and reptiles before summarizing the known cases throughout the British Isles. Finally, we also present a number of previously unrecorded instances of color abnormalities in the hope that it promotes further examples to be recorded.

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Section: Addermentioning

confidence: 99%