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

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: 11882
Years: 1985 - 1987
Days: 43
Seasons: autumn
Nets or traps: 60
Net or trap nights: 2580
Sampling comments: overall sampling effort is 43 days using 12 nets set in each of five plots
net hours are also reported
Sample: 1053
Contributor: John Alroy
Enterer: John Alroy
Created: 2014-08-18 20:48:22
Modified: 2014-08-18 20:48:22
Abundance distribution
105 species
17 singletons
total count 11882
extrapolated richness: 122.5
Fisher's α: 15.860
geometric series k: 0.9310
Hurlbert's PIE: 0.9520
Shannon's H: 3.5738
Good's u: 0.9986
Each square represents a species. Square sizes are proportional to counts.
Accipiter striatus169.7 g carnivore
Buteo platypterus7420 g carnivore
Bonasa umbellus8566 g omnivore
Porzana carolina174.8 g granivore
Scolopax minor8176 g
Coccyzus erythropthalmus750.9 g
Strix varia1632 g
Aegolius acadicus277.4 g
Chordeiles minor179.3 g insectivore
Archilochus colubris2802.9 g nectarivore
Megaceryle alcyon1 carnivore
"Ceryle alcyon"
Melanerpes erythrocephalus171.6 g insectivore
Sphyrapicus varius1950.3 g insectivore
Picoides pubescens472.8 g insectivore
Picoides villosus162.7 g insectivore
Colaptes auratus511.3 g insectivore-frugivore
Dryocopus pileatus117.5 g insectivore
Contopus borealis5 insectivore
Contopus virens3813.9 g insectivore
Empidonax flaviventris11811.8 g insectivore
Empidonax virescens112.6 g insectivore
Empidonax "traillii complex"130
Empidonax minimus24510.0 g insectivore
Sayornis phoebe4119.7 g insectivore
Myiarchus crinitus1032.1 g frugivore-insectivore
Stelgidopteryx serripennis13.9 g insectivore
Cyanocitta cristata89 insectivore-granivore
Poecile atricapillus24810.8 g
"Parus atricapillus"
Sitta canadensis489.8 g insectivore
Sitta carolinensis4221.0 g insectivore
Certhia americana1758.1 g insectivore
Troglodytes aedon141.8 g insectivore
Trodlodytes troglodytes81
Cistothorus platensis52.3 g insectivore
Regulus satrapa1456.3 g insectivore
Regulus calendula3956.5 g insectivore
Polioptila caerulea25.8 g insectivore
Sialia sialis127.5 g insectivore
Catharus fuscescens10731.9 g insectivore-frugivore
Catharus minimus3932.6 g insectivore-frugivore
Catharus ustulatus45530.3 g insectivore-frugivore
Catharus guttatus6930.1 g insectivore-frugivore
Hylocichla mustelina3247.8 g insectivore-frugivore
Turdus migratorius1378.5 g insectivore-frugivore
Dumetella carolinensis5835.3 g insectivore-frugivore
Toxostoma rufum168.8 g insectivore
Bombycilla cedrorum14630.6 g insectivore-frugivore
Vireo solitarius11915.3 g insectivore-frugivore
Vireo flavifrons2918.0 g insectivore
Vireo gilvus23.4 g insectivore-frugivore
Vireo philadelphicus7911.5 g insectivore
Vireo olivaceus5082.6 g insectivore-frugivore
Vermivora cyanoptera1
"Vermivora pinus"
Vermivora chrysoptera998.9 g insectivore
Vermivora "leucobronchialis"2
Leiothlypis peregrina547
"Vermivora peregrina"
Leiothlypis celata50
"Vermivora celata"
Leiothlypis ruficapilla1068
"Vermivora ruficapilla"
Parula americana62.8 g insectivore
Setophaga petechia29
"Dendroica petechia"
Setophaga pensylvanica311
"Dendroica pensylvanica"
Setophaga magnolia494
"Dendroica magnolia"
Setophaga tigrina25
"Dendroica tigrina"
Setophaga caerulescens4
"Dendroica caerulescens"
Setophaga coronata1696
"Dendroica coronata"
Setophaga virens25
"Dendroica virens"
Setophaga fusca19
"Dendroica fusca"
Setophaga pinus12
"Dendroica pinus"
Setophaga palmarum83
"Dendroica palmarum"
Setophaga castanea118
"Dendroica castanea"
Setophaga striata77
"Dendroica striata"
Setophaga cerulea1
"Dendroica cerulea"
Mniotilta varia12810.9 g insectivore
Setophaga ruticilla3548.4 g insectivore
Seiurus aurocapilla59518.8 g insectivore
"Seiurus aurocapillus"
Parkesia noveboracensis344 insectivore
"Seiurus noveboracensis"
Parkesia motacilla3 insectivore
"Seiurus motacilla"
Oporornis agilis2413.3 g insectivore
Oporornis philadelphia6412.0 g insectivore
Geothlypis trichas5602.1 g insectivore
Wilsonia pusilla872.6 g insectivore-frugivore
Wilsonia canadensis13010.3 g insectivore-frugivore
Piranga olivacea5028.2 g insectivore
Pheucticus ludovicianus8742.0 g insectivore-frugivore
Passerina cyanea1315.0 g granivore-insectivore
Pipilo erythrophthalmus141.3 g insectivore-granivore
Spizella passerina512.2 g insectivore-granivore
Spizella pallida311.2 g
Spizella pusilla112.5 g insectivore
Passerculus sandwichensis31.7 g insectivore
Ammodramus bairdii14.3 g
Ammodramus henslowii112.8 g
Passerella iliaca332.0 g insectivore-granivore
Melospiza melodia981.6 g insectivore-granivore
Melospiza lincolinii54
Melospiza georgiana12316.1 g insectivore-granivore
Zonotrichia albicollis26924.4 g insectivore-granivore
Zonotrichia leucophrys42.0 g insectivore-granivore
Junco hyemalis561.6 g insectivore-granivore
Icterus galbula233.9 g insectivore-frugivore
Carpodacus purpureus7423.3 g granivore
Loxia leucoptera15.5 g granivore
Carduelis pinus1912.7 g granivore
Carduelis tristis10313.1 g insectivore-granivore
Coccothraustes vespertinus137.5 g granivore