migration http://wrvo.org en Winter Bluebirds http://wrvo.org/post/winter-bluebirds <p>John Weeks discusses bluebirds and other thrushes that may remain in the area during the winter months as long as a food source is available. Tue, 02 Apr 2013 15:00:00 +0000 John Weeks 30096 at http://wrvo.org What is so Rare As a Mild Day in March? http://wrvo.org/post/what-so-rare-mild-day-march <p>John Weeks discusses the arrival of various bird species beginning in late February and continuing through the spring months. Migration timetables are rarely disrupted by fickle March weather. Tue, 12 Mar 2013 15:00:00 +0000 John Weeks 30043 at http://wrvo.org Outside Influences http://wrvo.org/post/outside-influences <p>John Weeks discusses the influence of the moon on bird migration and reproduction. He explains how day length have been demonstrated to trigger reproductive cycles and stimulate hormone production. Fri, 12 Oct 2012 12:00:00 +0000 John Weeks 26237 at http://wrvo.org Dedications and Spectacles in Nature http://wrvo.org/post/dedications-and-spectacles-nature <p>John Weeks talks about the parallel between the operation of a wild thing and the function of a computer chip. Weeks makes the point that in both cases, a lot of what happens may be the result of stored messages or directives, as in the case of bird migration. Tue, 09 Oct 2012 15:00:00 +0000 John Weeks 26234 at http://wrvo.org Mysteries of Sight, Sound and Other Senses http://wrvo.org/post/mysteries-sight-sound-and-other-senses <p>From birds using celestial navigation, to salmon using chemical sensors to "smell" their way home, John Weeks discusses the migration phenomenon of various species. Weeks notes that many migration patterns hold mysteries that are still unexplained. Tue, 25 Sep 2012 15:00:00 +0000 John Weeks 26178 at http://wrvo.org