As rising temperatures cause flower populations to decline, bumblebees' tongues are getting shorter in an apparent trend away from specialization. Scientists believe that having shorter tongues allows the bees to be more generalized when it comes to the flowers they visit, giving them a wider range of food sources to choose from.
When looking for wildlife in Costa Rica it’s easy to become fixated on the unusual mammals and vibrant birds, but one of the country’s most complex creatures lies underfoot.
A stick bug crawls on the jungle floor near Corcovado National Park. There are approximately 3,000 species of stick bugs. According to National Geographic...
