“Mr. Healy, I have a question I’ve been meaning to ask you.” My coworker approached me as I was stowing my binoculars after a brief … Read More
Trumpeter Swans with ‘captive’ neck-collars in PA
Trumpeter Swans are rare but increasing in Pennsylvania, and more are found every year. Many of the swans found in PA have yellow neck-collars or … Read More
Gyrfalcon Invasion 2015
As many people are aware of, starting with the winter of 2012/2013, Snowy Owls staged a dramatic and widespread invasion into southern Canada and the … Read More
Gambel’s White-crowned Sparrows in PA
After having a great opportunity to study an adult Gambel’s White-crowned Sparrow (Zonotrichia leucophrys gambelii) at Arlene Koch’s property last weekend near Easton, while also … Read More
Coastal waterbird notes from southern Belize, Fall 2014
We are spoiled in the United States with many concentrated birding efforts taking place throughout fall and spring migration such as hawkwatches, seawatches, Big Sits, … Read More
‘Puget Sound’ White-crowned Sparrows
Many species of sparrows vary considerably in appearance and vocalizations across their ranges in North America. In particular Dark-eyed Juncos, Song Sparrows, Fox Sparrows, and White-crowned … Read More
The Bronzed Cowbirds of Southern Florida
First discovered in the United States in Texas in 1940, the Bronzed Cowbird rapidly expanded throughout the desert southwest and Gulf Coast states. By 1962, … Read More
Hurricane Sandy storm-birding at Bald Eagle SP, PA
Hurricane Sandy created perfect conditions for rarities to show up in Pennsylvania. I will admit I was skeptical of just how disruptive this storm would … Read More
PA Fall Migration Predictions – End of Oct: Part 2
October is a very special time of the year in Pennsylvania. The first week of the month there are still a ton of neotropical migrants … Read More
PA Fall Migration Predictions – End of Oct: Part 1
October is a very special time of the year in Pennsylvania. The first week of the month there are still a ton of neotropical migrants … Read More