Mirror, Mirror On the Wall, Anna’s Hummingbird

| April 24, 2010

ANNA’S HUMMINGBIRD A male Anna’s Hummingbird showing his bright, irridescent gorget.  This color is not contained in any pigment in the feathers, but is caused by the refraction of the light which is caused by the physical structure of the feathers. ANNA’S HUMMINGBIRD  A side view of the same Anna’s Hummingbird. The gorget on his chin [...]

Costa Rica–Incredible Diversity in a Small Package

| April 12, 2010

  Central America is the site of contending crustal plates–notably the Cocos Plate in the Pacific Ocean which is being subducted beneath the Caribbean Plate right off the western coast of central america at a rate of 72-81 mm/yr.  It’s this area where the Central   America Volcanic Arc exists which forms the volcanoes of Guatemala, El Salvador, [...]

Volcanoes, Nicaragua

| April 11, 2010

      This is Concepcion, a volcano,  forming part of an island (Ometepe)  in the middle of Lake Nicarauga. It was putting forth steam and smoke just as our plane flew over. There was a heavier cloud of material that you can just see on the other side of the volcano which was proceeding [...]

Back from Costa Rica

| April 10, 2010

I had a fantastic time in Costa Rica.  It was over too soon!   I added lots of new species of birds to my life list, and saw lots of wildlife and terrific scenery.  I’ll try and talk about the trip in the future.  It’s too much to talk about all at once, so I’ll probably [...]