Hudson Bay freezes over completely in winter and becomes ice-free for a period in summer and fall. ❄️
This melt-freeze pattern is important for many animals, especially polar bears that spend time hunting on the ice.
Image by @NOAA-20 satellite. https://go.nasa.gov/3XQ5G25
#NASAEarth
Surviving Summer in Hudson Bay
The more time polar bears spend hunting on sea ice, the better their chances are of surviving lean times on land later in the year.go.nasa.gov