DNA studies#R indicate that this species’ closest relative is D. aldabranus (which see), and also that it is more closely related to D. waldenii than to the older D. fuscipennis. Recent phylogeographical study of nominate race (Madagascar)#R found weak genetic structure along an E–W pattern and relatively low genetic diversity, with strong evidence that population had expanded out from several centres on the island. Two subspecies recognized.
Food and feeding
Status and conservation
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