mystery bug in our garden

mystery bug in our garden

Observation - mystery bug in our garden - Global. Description: We saw this bug in our garden, next to (but not in) our pond. It's quite big (about 5-7 cm) and can move quite fast, but stood still when we poked it so we could take a picture. Any idea anyone?

We saw this bug in our garden, next to (but not in) our pond. It's quite big (about 5-7 cm) and can move quite fast, but stood still when we poked it so we could take a picture. Any idea anyone?