Sandrock Cliff (spring)
Basic information
Sample name: Sandrock Cliff (spring)

Reference: A. R. Weisbrod, C. J. Burnett, J. G. Turner, and D. W. Warner. 1993. Migrating birds at a stopover site in the Saint Croix River Valley. Wilson Bulletin 105(2):265-284 [ER 727]
Country: United States
State: Minnesota

Coordinate: 45° 47' 30" N, 92° 45' 30" W
Basis of coordinate: stated in text
Climate and habitat
Habitat: temperate broadleaf/mixed forest
Altered habitat: secondary forest
Substrate: ground surface
MAT: 5.5
MAP: 850.0
Habitat comments: "amid abandoned river channels and extensive forest lands logged during the 19th Century... An alder swale, a conifer swamp, an island floodplain forest, a pine barren forest, and an upland hardwood forest [and a sedge fen habitat] were selected as five primary habitats for study"
forest plots ranged in age from 40 to 140 years
MAP regionally ranges from 70 to 100 cm
Life forms: birds
Sites: 5
Sampling methods: mist nets
Sample size: 4645
Years: 1985 - 1987
Days: 35
Seasons: spring
Nets or traps: 60
Net or trap nights: 2100
Sampling comments: overall sampling effort is 35 days using 12 nets set in each of five plots
net hours are also reported
Sample: 1052
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-08-18 20:41:16
Modified: 2014-08-18 20:48:45
Abundance distribution
97 species
21 singletons
total count 4645
Fisher's α: 17.339
geometric series k: 0.9344
Hurlbert's PIE: 0.9548
Shannon's H: 3.5778
Good's u: 0.9955
Accipiter striatus29.7 g carnivore
Accipiter cooperii1349 g carnivore
Buteo lineatus1544 g carnivore
Buteo platypterus3420 g carnivore
Scolopax minor1176 g
Zenaida macroura2123 g granivore-frugivore
Coccyzus erythropthalmus250.9 g
Aegolius acadicus977.4 g
Caprimulgus vociferus150.3 g insectivore
Archilochus colubris2442.9 g nectarivore
Melanerpes carolinus373.2 g insectivore
Sphyrapicus varius650.3 g insectivore
Picoides pubescens212.8 g insectivore
Picoides villosus182.7 g insectivore
Colaptes auratus611.3 g insectivore-frugivore
Dryocopus pileatus117.5 g insectivore
Contopus borealis1 insectivore
Contopus virens113.9 g insectivore
Empidonax flaviventris1311.8 g insectivore
Empidonax "traillii complex"96
Empidonax minimus11810.0 g insectivore
Sayornis phoebe1119.7 g insectivore
Myiarchus crinitus932.1 g frugivore-insectivore
Stelgidopteryx serripennis43.9 g insectivore
Hirundo rustica12.1 g insectivore
Cyanocitta cristata18 insectivore-granivore
Poecile atricapillus4710.8 g
"Parus atricapillus"
Sitta canadensis19.8 g insectivore
Sitta carolinensis921.0 g insectivore
Certhia americana148.1 g insectivore
Thryothorus ludovicianus14.6 g insectivore
Troglodytes aedon251.8 g insectivore
Trodlodytes troglodytes5
Cistothorus palustris12.3 g insectivore
Regulus calendula1046.5 g insectivore
Polioptila caerulea35.8 g insectivore
Sialia sialis227.5 g insectivore
Catharus fuscescens9831.9 g insectivore-frugivore
Catharus minimus4832.6 g insectivore-frugivore
Catharus ustulatus7830.3 g insectivore-frugivore
Catharus guttatus2630.1 g insectivore-frugivore
Hylocichla mustelina2447.8 g insectivore-frugivore
Turdus migratorius678.5 g insectivore-frugivore
Dumetella carolinensis11635.3 g insectivore-frugivore
Bombycilla cedrorum3130.6 g insectivore-frugivore
Vireo solitarius815.3 g insectivore-frugivore
Vireo flavifrons518.0 g insectivore
Vireo gilvus13.4 g insectivore-frugivore
Vireo philadelphicus411.5 g insectivore
Vireo olivaceus1642.6 g insectivore-frugivore
Vermivora pinus28.9 g insectivore
Vermivora chrysoptera1308.9 g insectivore
Vermivora "leucobronchialis"1
Vermivora peregrina268.9 g insectivore
Vermivora celata233.1 g insectivore
Vermivora ruficapilla2318.3 g insectivore
Setophaga petechia183
"Dendroica petechia"
Setophaga pensylvanica111
"Dendroica pensylvanica"
Dendroica magnolia638.4 g insectivore-frugivore
Dendroica coronata873.5 g insectivore-frugivore
Dendroica virens18.9 g insectivore-frugivore
Dendroica fusca310.0 g insectivore
Dendroica pinus122.3 g insectivore
Dendroica palmarum5110.3 g insectivore
Dendroica striata112.3 g insectivore
Mniotilta varia4410.9 g insectivore
Setophaga ruticilla2268.4 g insectivore
Protonotaria citrea114.3 g insectivore
Seiurus aurocapilla21518.8 g insectivore
"Seiurus aurocapillus"
Seiurus noveboracensis21916.3 g insectivore
Seiurus motacilla919.9 g insectivore
Oporornis agilis613.3 g insectivore
Oporornis philadelphia5712.0 g insectivore
Geothlypis trichas6722.1 g insectivore
Wilsonia pusilla662.6 g insectivore-frugivore
Wilsonia canadensis5510.3 g insectivore-frugivore
Piranga olivacea2128.2 g insectivore
Cardinalis cardinalis143.5 g insectivore-granivore
Pheucticus ludovicianus1842.0 g insectivore-frugivore
Passerina cyanea8515.0 g granivore-insectivore
Spizella passerina5312.2 g insectivore-granivore
Spizella pallida1011.2 g
Spizella pusilla1012.5 g insectivore
Pooecetes gramineus126.5 g insectivore
Passerculus sandwichensis11.7 g insectivore
Ammodramus henslowii112.8 g
Passerella iliaca12.0 g insectivore-granivore
Melospiza melodia1661.6 g insectivore-granivore
Melospiza lincolinii17
Melospiza georgiana5716.1 g insectivore-granivore
Zonotrichia albicollis9724.4 g insectivore-granivore
Zonotrichia leucophrys102.0 g insectivore-granivore
Junco hyemalis21.6 g insectivore-granivore
Agelaius phoeniceus265.3 g insectivore-granivore
Molothrus ater73.4 g insectivore-granivore
Carpodacus purpureus2323.3 g granivore
Carduelis tristis15313.1 g insectivore-granivore