SAUKVILLE – Prairies are rich wildlife habitats. They are so bountiful, in fact, sometimes they even host species that evolved to breed elsewhere. For proof we need only look at two restored ...

Eastern bluebirds (Sialia sialis), often referred to as “harbingers of spring,” are small — about 7 inches — cavity nesters often found near meadows. A relative of the robin, this native songbird ...

Tree swallow nests across Pennsylvania are being collected for an investigation into the patterns that the common, fast-flying, cavity-nesting birds might incorporate into their nest construction.