ALT Satellite image of Katmai National Park and Preserve in Alaska on September 23, 2014. The landscape is mostly green and brown. The area is mountainous and there is a long mountain range along the right side of the image that is capped with white snow. One of these is Mount Katmai. The jagged shoreline and blue ocean water can be seen in the lower right corner. Credit: NASA

ALT A mock-tweet by Vaccinate Your Family showing a brown bear. The tweet reads, "kinda chic to get vaccinated against flu (in a bear-getting-ready-for-winter kind of way)". The background features the edge of a forest against a rapid stream of water.

ALT A mock-image of a brown bear wearing a bandaid on its left arm.

ALT A mock=tweet from Vaccinate Your Family showing a bear leaning against a rocky surface, holding a fish. The image caption reads, "me, enjoying a sweet treat after being brave at the pharmacy." The background features a dense forest and a calm river.

ALT A mock-image of a bear sitting upright in a forest, holding a wooden sign that reads, "It's time for your flu vaccine."