At a Glance: June 2017 Wayne R. Petersen June 1, 2017 1 MIN READ At a Glance Wayne R. Petersen Can you identify the bird in this photograph? Identification will be discussed in next issue's AT A GLANCE. Related Articles Front Cover: June 2017 Yellow Warbler taxonomy is complex and somewhat controversial, with 33 recognized subspecies that are divided into three groups: the Yellow Warbler, or aestiva group; ... At a Glance: April 2017 Revealed A cursory look at the mystery bird reveals a hefty gull with a stout bill, a full-chested look, relatively long, pink legs (visible in ... Hot Birds: June 2017 At least two and possibly four or more White-faced Ibis spent the latter half of April into early May in a large flock of ... Dorothy R. Arvidson: 1920-2017 Dorothy maintained a high standard of editing and quality. One of her classic contributions to Bird Observer was her article “On Records of Birds,” ... Bird Sightings: January-February 2017 February was a mixed bag, from frequent snow to record warm temperatures. The temperature averaged 37°, five degrees above normal. The high of 73° on ... The Complex Relationship Between Birds and Gypsy Moths Gypsy Moths: The Problem Most Massachusetts residents are aware of the impact that gypsy moth caterpillars have had in our state over the past few ... Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus