Pennsylvania’s smallest breeding migrant bird – a mere 3 or so inches in length – is among the more than 100 million birds that have passed over Pennsylvania so far during spring migration. After much anticipation, the first ruby-throated hummingbird arrived in the Laurel Highlands last week with many more on the way. Read more at the link in our bio. 📝: Mary Ann Thomas/Post-Gazette 📸: Brian E. Kushner/audubonsociety #pittsburgh #hummingbird #birdwatch #spring