Understanding the bird’s wing!
Osprey in flight (from March 2007)
Birds use the ability to fly for finding food, escaping from predators and even migrating to areas that can better support them when there are fewer resources available. Obviously their feathers are not permanent to their body and they need to replace their older (worn) feathers with new (sturdy) feathers. The molting (loosing and growing new feathers) patterns on the wing of the bird can help us banders understand the age of the bird (well sometimes). (more…)
Mon@rch's Nature Blog 