Birds vs shoes

• Birds have 2 sets of wings as shoes come in pairs.
• We use our hands to host a bird, as well as shoes are on our feet. Two most extended sets of extremities of the body.
• Wings of the birds can be thought identical but symmetrical, and it is the same case with the shoes.
• Shoes have a visual design pattern like the wings of birds.
• Shoes stay in a dedicated wardrobe and birds make their dedicated home.
• Usually people have more than one shoe, and birds live with the herd.
• We cant switch our shoes between feet, and wings also cannot be swapped.
• Our steps are one by one not the two feet at the same time. But birds flap the wings simultaneously.

Photo source 1
Photo source 2