Have you ever caught yourself yawning right after someone else did? The same happens to budgies. Biologists have just noted that contagious yawning also occurs between members of a bird …read more
Source:: Science
Have you ever caught yourself yawning right after someone else did? The same happens to budgies. Biologists have just noted that contagious yawning also occurs between members of a bird …read more
Source:: Science