Thousands of the jellyfish-like creatures , known as velella velella , are covering beaches across Oregon , California and Washington . The creatures have small sails on their bodies , which means they are easily blown towards the shore during strong winds this year . They are not harmful to humans but will begin to smell as they rot .
Thousands of the jellyfish-like creatures , known as velella velella , are covering beaches across Oregon , California and Washington . The creatures have small sails on their bodies , which means they are easily blown towards the shore during strong winds this time of year . They are not harmful to humans but will begin to smell as they rot .