March 20th marks the first day of spring, but sometimes the weather can make it a little difficult to identify the true beginning of the season. Luckily there are some other signals that the warmer months are coming up. Marine animals of all kinds, from seabirds to giant whales, can be great identification tools for spring. To celebrate this change, we are telling the stories of some amazing marine animals who are known for signaling this season. If you weren’t already excited for some warmer weather, here are a few of the incredible behaviors exhibited by marine animals during this time of year to get you in the spring spirit.