Millions of monarch butterflies travel to ancestral winter roosts in Mexico's shrinking mountain fir forests. They travel thousands of miles, taking directional cues from the sun.
Millions of monarch butterflies travel to ancestral winter roosts in Mexico's shrinking mountain fir forests. They travel thousands of miles, taking directional cues from the sun.
While census numbers indicate a 20% growth in the tiger population of India, wildlife experts are worried that tiger corridors connecting natural habitats are shrinking.
While census numbers indicate a 20% growth in the tiger population of India, wildlife experts are worried that tiger corridors connecting natural habitats are shrinking.
The Cave Bear faced a shrinking pool of suitable caves when both Neanderthals and anatomically modern humans began to compete with them for living quarters.
Millions of monarch butterflies travel to ancestral winter roosts in Mexico's shrinking mountain fir forests. They travel thousands of miles, taking directional cues from the sun.
While census numbers indicate a 20% growth in the tiger population of India, wildlife experts are worried that tiger corridors connecting natural habitats are shrinking.