What is this insect with freakishly long legs at Bukit Timah Nature Reserve?

What is this insect with freakishly long legs at Bukit Timah Nature Reserve?

Stick insect, praying mantis or spider?

Stomp contributor Lau Lup spotted this insect that looks like a cross of all three at Bukit Timah Nature Reserve on June 27.

He found the creature in the undergrowth and would like to ask if anyone can identify it.

Watch a video of the insect below.

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