Elementary senses 2 – QR codes – sound in nature

On this site you will find the QR codes which link to the sounds

airplane
airplane sound
ambulance
ambulance sound
beak
birds singing
birds singing sound
car
claws
dog barking
dog barking sound
ear
eye
feathers
fingers
tail
train  
train sound  
water flows  
water flows sound  
wing  
cars sound