Our Favorite Instagram Photos: Snarling Tiger and an Array of Fins

A moose causes a traffic jam in Alaska, dancers let loose in Baltimore, and the ray population flourishes in Mexico—all in this week's photos from @natgeo Instagram.

Each week our photo editors select their favorite photos that were posted on the @natgeo Instagram account. Follow this week's photographers: @stevewinterphoto, @petekmuller,@brianskerry, @ciriljazbec, @drewtrush, @robertclarkphoto, @jimmy_chin, @paulnicklen and @gerdludwig.