"Save the Manatee" stamp raises awareness for Florida's sea cows

Why it matters: Our beloved gentle giants are impacted by red tide and cold stress, and are regularly hit by boats.

Threat level: It's "exceedingly rare for an adult manatee to not be struck [by watercraft] multiple times in its life," according to Florida Fish and Wildlife Conservation Commission research.

• 1,100 Florida manatees starved to death in 2021, an "Unusual Mortality Event" that's finally letting up.