The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

The Philippine Sailfin Lizard (Hydrosaurus pustulatus)

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The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

We’ve written before about the large sailfin lizards that lurk outside our kitchen window. Recently, I’ve been seeing smaller juvenile sailfin lizards in the river out back. While they are skittish and will bolt and scamper over water when alarmed, they do often rest unobserved for long periods on rocks and branches.

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

 

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

Yesterday, our friends Charlie and Alice who live on the beach in Pacifico had a semi-resident adult sailfin lizard lay eggs in their garden. In a tree! The above photos are mine but the following were taken by their visitor, identified as ‘Peter the Aussie’ (we like to give photo credits when called for; all pictures on this site were taken by me unless noted otherwise).

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

 

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

The Philippine sailfin lizard (Hydrosaurus pustulatus) on Siargao island.

As you can see the Philippine sailfin lizard, while it has a VU (Vulnerable) IUCN conservation status, seems to be actively breeding here on Siargao island.

It had been unclear to me if the species of sailfin lizard found on Siargao might possibly be Hydrosaurus amboinensis instead of H. pustulatus. I’d previously read that amboinensis was the species found in the southern Philippines but apparently it’s now restricted to Indonesia.

 


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