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
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
extrapolated richness: 122.4
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
Each square represents a species. Square sizes are proportional to counts.
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 cyanoptera2
"Vermivora pinus"
Vermivora chrysoptera1308.9 g insectivore
Vermivora "leucobronchialis"1
Leiothlypis peregrina26
"Vermivora peregrina"
Leiothlypis celata23
"Vermivora celata"
Leiothlypis ruficapilla231
"Vermivora ruficapilla"
Setophaga petechia183
"Dendroica petechia"
Setophaga pensylvanica111
"Dendroica pensylvanica"
Setophaga magnolia63
"Dendroica magnolia"
Setophaga coronata87
"Dendroica coronata"
Setophaga virens1
"Dendroica virens"
Setophaga fusca3
"Dendroica fusca"
Setophaga pinus12
"Dendroica pinus"
Setophaga palmarum51
"Dendroica palmarum"
Setophaga striata1
"Dendroica striata"
Mniotilta varia4410.9 g insectivore
Setophaga ruticilla2268.4 g insectivore
Protonotaria citrea114.3 g insectivore
Seiurus aurocapilla21518.8 g insectivore
"Seiurus aurocapillus"
Parkesia noveboracensis219 insectivore
"Seiurus noveboracensis"
Parkesia motacilla9 insectivore
"Seiurus motacilla"
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