A checklist of birds that you may find in Frick Park, P.A. developed by the Three Rivers Birding Club of Pittsburgh.
The Evening Grosbeak (Coccothraustes vespertinus) is a large finch. In the past, it was treated in a genus of its own as Hesperiphona vespertina, but is now usually placed in the same genus as the Hawfinch of Eurasia.
The House Finch (Haemorhous mexicanus) is a bird in the finch family Fringillidae, which is found in North America. This species and the other "American rosefinches" are placed in the genus Haemorhous by the American Ornithologists' Union but have usually been included in Carpodacus.
The Pine Siskin (Carduelis pinus) is a North American bird in the finch family. It is a migratory bird with an extremely sporadic winter range.
The American Goldfinch (Carduelis tristis), also known as the Eastern Goldfinch, is a small North American bird in the finch family. It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canadian border to Mexico during the winter.