Male birds sing less to females on antidepressants. The researchers studied the birds at sewage works where they flock to feed all year round. The worms, maggots and flies at sewage treatment plants have been found to contain many different pharmaceuticals, including Prozac.

See the source article by following the link below:
Male birds sing less to females on antidepressants. The researchers studied the birds at sewage works where they flock to feed all year round. The worms, maggots and flies at sewage treatment plants have been found to contain many different pharmaceuticals, including Prozac.