This video from the USA says about itself:
30 August 2016
Making friends with a Praying Mantis hunting insects on the porch! These fascinating insects have personalities and unlike most insects seem to relate to humans and humans seem to instinctively sense their awareness and do not harm them! They of course, are extremely beneficial to have around.
Praying mantises are carnivorous insects with powerful raptorial front legs that usually depend on arthropods such as insects or spiders as their primary prey. Now new research indicates that praying mantises all over the globe include birds in their diet: here.