Wings of birds, wings of insects and patagia of bats are analogous organ? why

Bat and bird wings are examples of analogous structures. The wings of the bird are made up of feathers that extend all along the arm. However, the wings of bats consist of flaps of skin that stretch between the bones of the fingers but the wings of both organisms perform the similar function of flying

For example, insects use wings to fly like bats and birds, but the wing structure and embryonic origin is completely different. These are called analogous structures. ... Homologous structures share a similar embryonic origin; analogous organs have a similar function.

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