Supplementary Information SI Table 1. List of all species, guild assignments and number of individuals detected on Breeding Bird Survey transects used in the analysis. Common Name Scientific Name Individuals Alder Flycatcher Empidonax alnorum Shrub-edge 113 American Bittern Botaurus lentiginosus Wetland 8 American Black Duck Anas rubripes Wetland 12 American Coot Fulica americana Wetland 1 American Crow Corvus brachyrhynchos Generalist 1657 American Goldfinch Spinus tristis Shrub-edge 509 American Kestrel Falco sparverius Grassland 6 American Redstart Setophaga ruticilla Forest 54 American Robin Turdus migratorius Generalist 2195 American Woodcock Scolopax minor Shrub-edge 1 Bald Haliaeetus leucocephalus Forest 2 Baltimore Oriole Icterus galbula Forest 119 Bank Swallow Riparia riparia Aerial 73 Barn Swallow Hirundo rustica Aerial 517 Barred Owl Strix varia Forest 1 Belted Kingfisher Megaceryle alcyon Wetland 18 Black-and-White Warbler Mniotilta varia Forest 38 Black Tern Chlidonias niger Wetland 1 Black-billed Cuckoo Coccyzus erythropthalmus Forest 20
Blackburnian Warbler Setophaga fusca Forest 3 Black-capped Chickadee Poecile atricapillus Forest 307 Black-crowned Night-Heron Nycticorax nycticorax Wetland 5 Black-throated Blue Warbler Setophaga caerulescens Forest 8 Black-throated Green Warbler Setophaga virens Forest 25 Blue Jay Cyanocitta cristata Forest 231 Blue-gray Gnatcatcher Polioptila caerulea Forest 3 Blue-headed Vireo Vireo solitarius Forest 4 Blue-winged Teal Anas discors Wetland 1 Bobolink Dolichonyx oryzivorus Grassland 465 Broad-winged Hawk Buteo platypterus Forest 3 Brown Creeper Certhia americana Forest 1 Brown Thrasher Toxostoma Shrub-edge 74 Brown-headed Cowbird Molothrus ater Grassland 211 Canada Goose Branta canadensis Wetland 526 Canada Warbler Cardellina canadensis Forest 1 Carolina Wren Thryothorus ludovicianus Shrub-edge 5 Cedar Waxwing Bombycilla cedrorum Generalist 354 Chestnut-sided Warbler Setophaga pensylvanica Shrub-edge 66 Chimney Chaetura pelagica Aerial 9 Chipping Sparrow Spizella passerina Forest 647 Clay-colored Sparrow Spizella pallida Grassland 2
Great Black-backed Gull Larus marinus Wetland 20 Great Blue Heron Ardea herodias Wetland 30 Great Crested Flycatcher Myiarchus crinitus Forest 108 Great Horned Owl Bubo virginianus Forest 1 Green Heron Butorides virescens Wetland 12 Hairy Woodpecker Picoides villosus Forest 16 Hermit Thrush Catharus guttatus Forest 35 Herring Gull Larus argentatus Wetland 52 Horned Lark Eremophila alpestris Grassland 144 House Finch Haemorhous mexicanus Generalist 25 House Wren Troglodytes aedon Shrub-edge 191 Indigo Bunting Passerina cyanea Shrub-edge 125 Killdeer Charadrius vociferus Grassland 262 Least Flycatcher Empidonax minimus Forest 38 Magnolia Warbler Setophaga magnolia Forest 15 Mallard Anas platyrhynchos Wetland 124 Marsh Wren Cistothorus palustris Wetland 11 Mourning Dove Zenaida macroura Generalist 892 Mourning Warbler Geothlypis philadelphia Shrub-edge 20 Nashville Warbler Leiothlypis ruficapilla Shrub-edge 13 Northern Cardinal Cardinalis cardinalis Shrub-edge 200 Northern Flicker Colaptes auratus Forest 55
Northern Harrier Circus cyaneus Grassland 3 Northern Mockingbird polyglottos Shrub-edge 7 Northern Parula Setophaga americana Forest 3 Northern Rough-winged Swallow Stelgidopteryx serripennis Aerial 14 Northern Waterthrush Parkesia noveboracensis Forest 22 Orchard Oriole Icterus spurius Forest 6 Osprey Pandion haliaetus Wetland 9 Ovenbird Seiurus aurocapilla Forest 140 Pied-billed Grebe Podilymbus podiceps Wetland 2 Pileated Woodpecker Dryocopus pileatus Forest 15 Pine Warbler Setophaga pinus Forest 23 Purple Finch Haemorhous purpureus Forest 8 Purple Martin Progne subis Aerial 46 Red-bellied Woodpecker Melanerpes carolinus Forest 11 Red-breasted Nuthatch Sitta canadensis Forest 19 Red-eyed Vireo Vireo olivaceus Forest 384 Red-headed Woodpecker Melanerpes erythrocephalus Forest 3 Red-shouldered Hawk lineatus Forest 2 Red-tailed Hawk Buteo jamaicensis Generalist 13 Red-winged Blackbird Agelaius phoeniceus Generalist 2720 Ring-billed Gull Larus delawarensis Generalist 544
Rose-breasted Grosbeak Pheucticus ludovicianus Forest 93 Ruby-crowned Kinglet Regulus calendula Forest 2 Ruby-throated Hummingbird Archilochus colubris Forest 4 Ruffed Grouse Bonasa umbellus Forest 1 Sandhill Crane Grus canadensis Wetland 2 Savannah Sparrow Passerculus sandwichensis Grassland 799 Scarlet Tanager Piranga olivacea Forest 10 Sharp-shinned Hawk Accipiter striatus Forest 3 Song Sparrow Melospiza melodia Shrub-edge 1359 Spotted Sandpiper Actitis macularius Wetland 8 Swainson's Thrush Catharus ustulatus Forest 1 Swamp Sparrow Melospiza georgiana Wetland 96 Tree Swallow Tachycineta bicolor Aerial 225 Turkey Vulture Cathartes aura Generalist 28 Upland Sandpiper Bartramia longicauda Grassland 14 Veery Catharus fuscescens Forest 104 Vesper Sparrow Pooecetes gramineus Grassland 59 Virginia Rail Rallus limicola Wetland 2 Warbling Vireo Vireo gilvus Forest 239 White-breasted Nuthatch Sitta carolinensis Forest 28 Sparrow Zonotrichia albicollis Forest 127 Wild Turkey Meleagris gallopavo Forest 62
Willow Flycatcher Empidonax trailii Shrub-edge 37 Wilson's Snipe Gallinago delicata Wetland 51 Winter Wren Troglodytes hiemalis Forest 21 Wood Duck Aix sponsa Wetland 16 Wood Thrush Hylocichla mustelina Forest 55 Yellow Warbler Setophaga petechia Shrub-edge 309 Yellow-bellied Sapsucker Sphyrapicus varius Forest 35 Yellow-billed Cuckoo Coccyzus americanus Forest 3 Yellow-rumped Warbler Setophaga coronata Forest 6 Yellow-throated Vireo flavifrons Forest 3