Reptiles
Madagascar Day Gecko
Phelsuma grandis · also called Madagascar giant day gecko
In the bright midday sun, a vivid green Madagascar day gecko forages openly across a palm frond, doing exactly what most gecko species would never risk in daylight, then pauses to lick its own eye clean since it has no eyelid to blink with at all.
Overview
The Madagascar day gecko, Phelsuma grandis, is a large, vividly coloured gecko native to rainforest and cultivated habitat across parts of Madagascar. Its unusual daytime activity pattern, rare among geckos generally, combined with its striking green-and-red colouration, make it one of the most visually distinctive reptiles found on the island.
A gecko that broke the nocturnal rule
While most of its relatives hunt exclusively after dark, the Madagascar day gecko has flipped the typical gecko schedule entirely, trading nighttime stealth for a bold, brightly coloured daytime presence in the open canopy.
Status
Least Concern — widespread and common across suitable rainforest and cultivated habitat throughout its Madagascan range.
Madagascar Day Gecko: common questions
Why is the Madagascar day gecko active during the day when most geckos aren't?
Unlike the majority of gecko species, which are nocturnal and rely on excellent low-light vision to hunt after dark, the Madagascar day gecko has adapted to being active during daylight hours instead, a genuinely unusual trait among geckos that also explains its vivid, highly visible colouration, since camouflage from nocturnal predators matters less for a diurnal animal.
How does a gecko clean its eyes without eyelids?
Like other gecko species, the Madagascar day gecko has no movable eyelids at all, and instead keeps its eyes clean and properly moistened by licking them directly with its own tongue, a distinctive behaviour that stands in for the blinking most other reptiles rely on.
What does the Madagascar day gecko eat?
A Madagascar day gecko has an unusually varied diet for a gecko, feeding on insects as well as soft fruit and nectar, making it more of a dietary generalist than many other gecko species that rely almost entirely on live invertebrate prey.
Where does the Madagascar day gecko live?
The Madagascar day gecko is native to rainforest and cultivated habitat across parts of Madagascar, often found climbing trees, palms, and even buildings using specialised adhesive toe pads well suited to smooth vertical surfaces.