-

645
Autumn equinox
-

646
European fallow deer in England
-

646
Thousand Islands region, St. Lawrence River, USA-Canada border
-

648
Yellowstone National Park, Wyoming, United States
-

649
World Honey Bee Day
-

650
World Dolphin Day
-

655
World Population Day
-

655
St. Barbaras Cathedral, Kutná Hora, Czechia
-

656
The Nutcracker performed by the Turkish State Opera and Ballet in Türkiye
-

659
Least chipmunk, Kootenai National Forest, Montana, United States
-

662
Boxing Day
-

662
Happy New Year!
-

662
Eurasian otter and pup, Estonia
-

663
Thick-billed raven, Simien Mountains, Ethiopia
-

667
International Day of the Worlds Indigenous Peoples
-

668
Village of Santa Maddalena, Dolomites, Italy
-

673
Christmas Bird Count
-

674
International Whale Shark Day
-

676
Pollinator Week
-

677
International Rock Day
-

677
National Mushroom Day
-

677
Great white egret, Upper Bavaria, Germany
-

679
St. Gregory Church in Ani Ruins, Kars, Türkiye
-

680
Rolling hills of the Palouse, Washington, United States
-

680
Plate ice along Lake Superior, Grand Marais, Minnesota, United States
-

682
World Lion Day
-

684
Thomsons gazelles, Maasai Mara, Kenya
-

686
Independence Day of the Bahamas
-

686
International Literacy Day
-

688
International Day of the Snow Leopard