On the 11th, 8 Forster's Terns passed through the Park area. Four of them circled over Pond M and also dove into the waters several times. This tern was photographed shortly after a dive, in mid-rotation. (Wolf. Oesterreich, 5/11/17)
A total of 133 avian species (+ 1 sp.) was recorded this month, ranking this month as the 7th highest May among 20 years of records. May 2006, 2008, and 2011, with 152 species, remain as the highest Mays, while May 1998 with only 70 species is the lowest. This total is 33 species more than last month and 6 less than May 2016.
Based on citations in the 3rd Edition of “The Birds of Story County, Iowa,” by Stephen J. Dinsmore and Hank Zaletel (2001), plus my personal updates to the records, the Peregrine Falcon on the 19th and the Orange-crowned Warbler on the 25th may represent new extreme late Spring records for Story County (former records set on 16 May 1981 at Hendrickson Marsh and 22 May 2010 at Ames, respectively). The Yellow-bellied Flycatcher observation on the 25th tied the extreme early Spring record (set in 1985 at Ames), while the White-crowned Sparrow on the 22nd tied the extreme late Spring record (set in 1993 at Ames).
Listed below, following the species’ names, are the date(s) of sighting(s), plus the occasional miscellaneous information regarding numbers, gender (♂=male, ♀=female), age (im=immature, ju=juvenile, abp=adult breeding plumage, ad=adult, anb=adult non-breeding), color phase (b=blue, w=white), and location (BY=back yard, FY=front yard). The order follows the 55th Supplement (2014) to the American Ornithologists’ Union Check-list of North American Birds and the 14th Supplement to the 7th Edition (1998).
AVIAN
CANADA GOOSE: 1-31
WOOD DUCK: 1 (1♂), 2 (2♂), 3 (1♂), 4 (2♂ + 2♀), 5 (1♂), 6 (1), 7 (2), 8 (2♂ + 1♀), 10 (2♂),
11 (4), 12 (2♂), 13 (7), 15-16 (1♂), 18 (1♂), 20 (4♂), 21 (1♂ + 1♀), 22-23 (2♂ + 1♀),
24 (1♂ + 2♀), 25 (2♂ + 1♀), 26 (1♂), 27 (9♂ + 2♀), 28 (3♂ + 2♀), 29 (5), 30 (5♂ + 1♀),
31 (4♂ + 2♀)
GADWALL: 1 (10), 2 (11), 3 (10), 4 (4), 5 (1♂), 6 (11), 7 (6), 8 (1♂), 12-13 (1♂), 20 (3♂),
22 (2♂)
MALLARD: 1-2 (5), 3 (16), 4 (3), 5 (6), 6-7 (8), 8 (5), 9 (11), 10-11 (8), 12 (7♂), 13 (21),
15-16 (9), 18 (4), 19 (5), 20 (15), 21 (4), 22 (9), 23 (6), 24 (7), 25 (9), 26 (8), 27 (4), 28 (1),
29 (3), 30 (2)
BLUE-WINGED TEAL: 1 (5), 2 (24), 3 (23), 4 (13), 5 (17), 6 (14), 7 (18), 8 (2), 9-10 (8), 11 (4),
12 (1♂), 13 (7), 16 (1♂), 20 (1♂ + 2♀), 21 (1♂), 22 (3♂ + 1♀), 24 (1♂), 25 (2♂ + 1♀),
26 (1♂), 29 (1♂), 30 (2♂ + 1♀)
NORTHERN SHOVELER: 1 (2♂ + 1♀), 2 (16), 3 (7), 4 (3), 5 (2♂), 9-10 (2♂), 12 (1♂ + 1♀),
16 (1♂)
LESSER SCAUP: 1 (1♂ + 1♀)
HOODED MERGANSER: 22 (2 im), 24 (2♂), 28 (1♀)
RED-BREASTED MERGANSER: 1 (3♀)
RUDDY DUCK: 5 (1♂), 12 (5)
RING-NECKED PHEASANT: 1-13, 15-16, 18-31
PIED-BILLED GREBE: 1 (4), 2 (6), 3 (12), 4 (4), 5 (2), 6 (6), 7 (4), 9 (1), 11-12 (1), 15 (1),
21 (2), 23 (2), 24 (1)
EURASIAN COLLARED-DOVE: 2 (1), 11 (1), 13-15 (1), 20 (1), 22 (1), 24 (3), 25 (1), 27 (1),
29 (2)
ROCK PIGEON (13 (~100)
MOURNING DOVE: 1-13, 15-31
YELLOW-BILLED CUCKOO: 15 (1), 23 (1), 31 (1)
COMMON NIGHTHAWK: 24 (1)
CHIMNEY SWIFT: 13, 18, 20, 23, 27
RUBY-THROATED HUMMINGBIRD: 23 (1♂)
SORA: 2-3 (1), 5 (3), 6 (1), 9-10 (1), 13 (1), 18 (2)
AMERICAN COOT: 1 (16+), 2 (37+), 3 (30+), 4 (6), 5 (17), 6 (8), 7 (19), 8-9 (2), 10 (1), 16 (2),
18 (2), 23 (1)
SEMIPALMATED PLOVER: 13 (13)
KILLDEER: 3-8 (1), 12 (1), 13 (2), 15 (1), 22 (1), 25-26 (1), 27 (2), 28 (1), 29 (2), 31 (2)
DUNLIN: 13 (2)
LEAST SANDPIPER: 13 (75-100)
SEMIPALMATED SANDPIPER: 10 (1), 13 (2)
SPOTTED SANDPIPER: 1 (1), 2 (3), 3 (2), 5 (1), 8-9 (1), 11-12 (1), 13 (10), 15-16 (1), 18 (1),
20-21 (2), 22 (1), 24-25 (2), 26 (3), 30 (1)
SOLITARY SANDPIPER: 2 (1), 4 (5), 7 (2), 8 (1), 10 (2), 11 (1)
GREATER YELLOWLEGS: 2 (1)
CASPIAN TERN: 7 (4), 18 (~20), 20 (7)
FORSTER’S TERN: 2 (2), 11 (8), 21 (4)
COMMON LOON: 15 (1 abp)
DOUBLE-CRESTED CORMORANT: 3 (5), 13 (1), 15 (2)
AMERICAN WHITE PELICAN: 11 (1)
AMERICAN BITTERN: 5 (1)
GREAT BLUE HERON: 3-4 (1), 5 (2), 6 (3), 7 (4), 8 (2), 9 (1), 10-12 (2), 13 (5), 16-17 (2),
18 (1), 19 (2), 20 (3), 21 (1), 22-23 (2), 24 (4), 25 (3), 26 (1), 27 (4), 28 (2), 29 (3), 31 (1)
GREAT EGRET: 3 (1), 6 (1), 13 (7), 27 (1)
GREEN HERON: 2 (1), 4 (1), 8 (1), 10-13 (1), 15-16 (1), 23-25 (2), 26-27 (1), 28-30 (2)
BLACK-CROWNED NIGHT-HERON: 13 (1 ad)
TURKEY VULTURE: 1 (2), 2-3 (10+), 4 (8), 5 (9), 6 (2), 7 (7), 8 (3), 10 (2), 11 (4), 12 (1),
13 (10), 14 (1), 15 (5), 16 (3), 17 (1), 18-19 (3), 20 (6), 21 (5), 22 (6), 23 (1), 24 (6),
25-26 (2), 27 (5), 29 (9), 30 (4), 31 (11)
OSPREY: 1-2 (1), 7 (1), 10-11 (1)
BALD EAGLE: 1 (1 ad), 5 (1 im), 19 (1 ad), 20 (1 im), 28 (1 ad)
SHARP-SHINNED HAWK: 2 (1)
COOPER’S HAWK: 13 (1), 22 (1)
RED-TAILED HAWK: 2 (1), 3 (2), 4 (1), 5 (2), 6, 7-8 (2), 9-10 (1), 12 (2), 13 (1), 15-18 (1),
20 (2), 22 (2), 23-24 (1), 26 (1), 31 (1)
BELTED KINGFISHER: 1 (1), 2 (2), 3 (1), 4 (2), 10 (2), 13 (1), 18-19 (1), 22 (2), 23 (1)
RED-HEADED WOODPECKER: 10 (1)
RED-BELLIED WOODPECKER: 3, 7-13, 15-16, 18, 20, 22-29, 31
DOWNY WOODPECKER: 3, 5, 7-8, 13, 17, 19-21, 23-25, 27-31
HAIRY WOODPECKER: 1-2, 5, 13, 24
NORTHERN FLICKER (Yellow-shafted): 1 (2), 3 (2), 5 (1), 6 (2), 7 (3), 11-12 (1), 13 (2), 16 (1),
18 (2), 20 (2), 23-25 (1), 30 (2)
MERLIN: 2 (1♀ prairie)
PEREGRINE FALCON: 19 (1)
OLIVE-SIDED FLYCATCHER: 13 (1), 25 (1)
EASTERN WOOD-PEWEE: 26 (1), 28 (1), 31 (1)
YELLOW-BELLIED FLYCATCHER: 12 (1)
ALDER FLYACTCHER: 28-29 (1)
LEAST FLYCATCHER: 9 (2), 10 (6), 11 (4), 12-13 (1), 15 (1), 17 (1), 18 (3), 19-20 (1)
Empidonax sp.: 16 (1), 18-20 (1), 22 (1), 23 (4), 24 (2), 26-28 (1), 29 (2), 30 (1), 31 (2)
EASTERN PHOEBE: 10 (1)
GREAT CRESTED FLYCATCHER: 10 (1)
EASTERN KINGBIRD: 7 (2), 9 (1), 10 (5), 11 (2), 13 (2), 16 (2), 18 (1), 20 (1), 21-22 (2),
25-26 (1), 28 (3), 29-30 (1), 31 (2)
YELLOW-THROATED VIREO: 9-10 (1)
BLUE-HEADED VIREO: 7-8 (1)
WARBLING VIREO: 4 (1), 7-8 (3), 9-13, 15-31
RED-EYED VIREO: 13 (1), 15 (2), 16-24, 26, 28 (1), 29 (3), 31 (1)
BLUE JAY: 3, 5, 7-14, 16, 18-19, 21-25, 27-29, 31
AMERICAN CROW: 1-7, 9-15, 18-19, 22-25, 27, 29, 31
PURPLE MARTIN: 1 (2), 4 (2), 5, 6 (2), 7 (12), 8 (3), 9 (1), 10 (4), 11 (5), 12 (7), 13 (6), 14,
15 (2), 16 (1), 17 (2), 18 (8), 19 (7), 20 (8), 23 (2), 24 (4), 26 (8), 28 (5+), 29 (7), 30 (1),
31 (5)
TREE SWALLOW: 1-13, 15-31
NORTHERN ROUGH-WINGED SWALLLOW: 5 (2), 7, 18-21, 23-24
BANK SWALLOW: 6 (1), 16, 18 (5), 19-23
CLIFF SWALLOW: 3 (1), 8-9 (1), 11, 15-16, 18-22, 24-25
BARN SWALLOW: 1, 3-13, 15-31
BLACK-CAPPED CHICKADEE: 1-13, 16, 19-22, 24-26, 28-29, 31
WHITE-BREASTED NUTHATCH: 9-10, 13, 24
HOUSE WREN: 2-31
SEDGE WREN: 2 (3), 3-5 (2), 6 (3), 7 (5), 8 (4), 10-11 (2), 12 (3), 13 (5), 15 (4), 16 (5), 20 (4),
21 (2), 22-23 (1), 24 (4), 25 (3), 26 (4), 28 (2), 29-30 (1), 31 (2)
MARSH WREN: 5 (2), 7-8 (1), 10 (2), 11-13 (3), 15 (3), 16 (4), 18 (2), 20 (2), 21 (1), 22-25 (2),
26 (4), 27 (1), 28 (5), 29 (4), 30 (1), 31 (3)
BLUE-GRAY GNATCATCHER: 13 (1)
RUBY-CROWNED KINGLET: 1 (1), 2 (2), 3 (1), 5 (1), 7 (4), 9 (1), 10 (3), 11-12 (1), 15 (1)
EASTERN BLUEBIRD: 3 (1♂ + 1♀), 4 (1♀), 5 (2♂), 6 (1♂ + 1♀), 7, 8 (1), 9 (2♂ + 1♀),
10 (1♂), 11 (1), 13 (3♂ + 2♀), 15 (1♂ + 1♀), 16 (3♂ + 1♀), 18 (2♂), 20 (2♂), 21 (1♂),
22 (2♂ + 2♀), 23 (2♂ + 1♀), 24 (2♂), 25 (1♂), 26 (2♂ + 1♀), 27 (1♂), 28 (2♂ + 1♀),
29 (1♂ + 1♀), 31 (1♂ + 1♀)
GRAY-CHEEKED THRUSH: 8 (1), 11 (1)
SWAINSON’S THRUSH: 8 (5), 9 (4), 11 (3), 12 (2), 13 (4), 15 (1), 19 (2), 22-23 (2), 24-26 (1)
AMERICAN ROBIN: 1-31
GRAY CATBIRD: 8 (6), 9 (8+), 10-13, 15-24, 26-31
BROWN THRASHER: 2 (1 + 1BY), 5 (1), 11 (1), 13 (1), 20 (1), 23 (2), 24 (4), 25 (2),
26-27 (1), 28-29 (2), 30 (1), 31 (2)
EUROPEAN STARLING: 4-5, 7-8, 10-11, 13, 15-16, 18-21, 23-31
CEDAR WAXWING: 13 (1), 16 (2), 26 (2 BY), 28 (1)
HOUSE SPARROW: 2-4, 6-7, 9-18, 20-21, 23-31
HOUSE FINCH: 1-13, 16-31
AMERICAN GOLDFINCH: 1-13, 15-31
OVENBIRD: 8-9 (1), 12 (1)
LOUISIANA WATERTHRUSH: 11 (1)
NORTHERN WATERTHRUSH: 8 (1), 9 (2), 12 (2), 13 (1)
GOLDEN-WINGED WARBLER: 9 (1), 12 (3), 23 (1♀)
BLACK-AND-WHITE WARBLER: 9 (1), 11 (1♂ + 1♀), 22-24 (1)
TENNESSEE WARBLER: 13 (3), 20 (1), 22-23 (1)
ORANGE-CROWNED WARBLER: 4 (1), 7-8 (2), 10-11 (1), 23 (1), 25 (1)
NASHVILLE WARBLER: 9 (1♂), 10-12 (1), 13 (2)
MOURNING WARBLER: 26 (1), 29 (1)
COMMON YELLOWTHROAT: 2(1♂), 4 (1♂), 7 (1♂), 8 (3♂), 9 (8♂ + 1♀), 10-13, 15-31
AMERICAN REDSTART: 9 (1♂), 10 (3♂), 11 (3), 12 (2♂), 13 (5♂), 18 (1♂ + 3♀), 19 (1♀),
20-21 (3♀), 22-24 (1♂ + 4♀), 25 (1♀), 28 (1♂ + 3♀), 29 (1♀), 30 (3♀)
CAPE MAY WARBLER: 19 (1♀)
MAGNOLIA WARBLER: 10 (1), 11 (2), 12 (1), 13 (2), 23 (1)
BAY-BREASTED WARBLER: 9 (1)
YELLOW WARBLER: 7 (1♂), 8 (3♂), 9 (1♂), 10 (10), 11, 12 (5), 13 (8), 15 (1), 19-20 (1♂),
21, 22 (1♂), 23 (4), 24 (2)
CHESTNUT-SIDED WARBLER: 10 (1), 11-12 (2), 22 (2)
BLACKPOLL WARBLER: 8 (1), 21 (1♀)
PALM WARBLER: 3-4 (1), 7 (8), 8 (2), 9 (1), 10-11 (5), 12 (10), 13 (12), 15 (1)
YELLOW-RUMPED WARBLER (Myrtle): 2 (2), 3 (8), 4 (4), 5 (5+), 6 (1), 7 (15+), 8 (9+),
9 (6+), 10 (15+), 12 (13), 13 (12), 19 (1♀)
CANADA WARBLER: 8 (1), 28 (1)
WILSON’S WARBLER: 8 (2♂), 9 (1♂), 11 (1♂), 13 (3♂), 15 (2♂), 18 (1♂), 19 (2♂), 21 (1♂),
22 (2♂), 23-24 (1♂)
CHIPPING SPARROW: 1, 6-11, 13, 15-16, 18, 20, 22-27, 30-31
CLAY-COLORED SPARROW: 3 (1), 9 (1), 11 (1)
FIELD SPARROW: 2-4 (2), 5 (1), 6-8 (2), 10 (2), 12 (1), 15-16 (1), 18 (1), 20 (2), 21 (1), 25 (1)
LARK SPARROW: 2 (1), 5-7 (1), 23 (2)
SAVANNAH SPARROW: 8 (2), 10 (2), 13 (1)
SONG SPARROW: 1-13, 1 5-31
LINCOLN’S SPARROW: 6-7 (1), 9-12 (3), 13 (5), 18 (1), 22-23 (1), 26 (1)
SWAMP SPARROW: 2 (2), 3 (3), 5 (2), 6 (1), 7 (4), 8 (1 BY), 9 (1), 20 (1)
WHITE-THROATED SPARROW: 1 (1 BY), 2 (3 BY), 4 (2), 6 (1 BY + 2), 7 (17+ + 2 BY),
8 (12 + 2 BY), 9 (1), 10 (3), 11 (2), 12 (3), 13 (2), 22 (1)
HARRIS’S SPARROW: 10 (1), 12 (3)
WHITE-CROWNED SPARROW: 7 (3), 9-13 (1), 22 (1)
NORTHERN CARDINAL: 1-31
ROSE-BREASTED GROSBEAK: 7 (1♂ + 1♀), 9 (1♂), 10 (2♂), 13 (1♂), 26 (1♀ BY), 28 (1♂)
INDIGO BUNTING: 13 (2♂), 15 (1♂), 24 (1♂)
DICKCISSEL: 29 (1♂ + 1♀), 30-31 (1♂)
RED-WINGED BLACKBIRD: 1-13, 15-31
EASTERN MEADOWLARK: 5 (1), 10 (1)
COMMON GRACKLE: 1-31
BROWN-HEADED COWBIRD: 1-13, 15-31
ORCHARD ORIOLE: 10 (1♂), 20 (1♂ + 1♀), 21 (1♀), 22 (1♂), 29 (1♂)
BALTIMORE ORIOLE: 8 (7♂), 9 (10♂), 10-13, 15-31
MAMMALIAN
WHITE-TAILED DEER: 1 (4 + 1♂), 2 (5), 3 (7), 4 (1 BY), 5 (2 + 1♂), 6 (1), 7 (4), 8-9 (1),
10 (4), 11 (2), 13 (5), 16 (2 + 1 BY), 18 (1♂ + 2), 19 (3♂ + 1), 20 (1 + 1♂), 21 (4),
23 (1♂ + 3 + 1 BY), 24 (1+ 1♂ + 1 BY), 25 (1♂), 28 (2), 29 (1 + 1♂)
FOX SQUIRREL: 1, 5, 7, 10, 12-13, 18-26, 28
THIRTEEN-LINED GROUND SQUIRREL: 8 (2), 16 (1), 22 (1), 23 (2), 30 (1)
EASTERN CHIPMUNK: 2 (1), 9-11 (1), 20, 24-26, 29
MUSKRAT: 11 (1)
EASTERN COTTONTAIL: 1-13, 15-16, 19-31
REPTILIAN
NORTHERN PAINTED TURTLE: 2 (37+), 3-4, 5-6 (18+), 7-13, 15-16, 18, 20, 22, 24-25, 27-31
RED=EARED SLIDER: 3-5 (1), 7 (1)
WESTERN SPINY SOFTSHELL: 9 (2), 11 (1), 12 (4), 15 (1), 17 (1), 25 (2)
AMPHIBIAN
AMERICAN TOAD: 2-11, 13, 15, 22-24, 26-28, 30-31
BLANCHARD’S CRICKET FROG: 8-13, 15-18, 22, 24-26, 28-31
EASTERN GRAY TREEFROG: 3-13, 22, 27
BOREAL CHORUS FROG: 2-4, 7-8, 19-21, 23-24
AMERICAN BULLFROG: 2-13, 15-16, 18, 22-27, 29-31
NORTHERN LEOPARD FROG: 11 (2), 28 (1)
LEPIDOPTERA
BLACK SWALLOWTAIL: 8-9 (1), 12 (1), 15 (2)
EASTERN TIGER SWALLOWTAIL: 6-7 (1), 9 (1), 12-13 (1), 28 (1), 31 (2)
CABBAGE WHITE: 4-7
ORANGE SULPHUR: 9, 15-16
Sulphur sp.: 4 (1), 6-8
GRAY HAIRSTREAK: 15 (1)
AMERICAN SNOUT: 5 (1)
PEARL CRESCENT: 3 (1♀), 4 (1), 5, 8, 9 (5), 11-13, 15, 31 (1)
QUESTION MARK: 13 (1), 22 (1), 25-26 (1), 28 (2)
Anglewing sp.: 26 (2)
EASTERN COMMA: 8 (1)
MOURNING CLOAK: 5 (1), 9 (1), 11-13 (1), 15 (1), 16 (2), 28 (1)
AMERICAN LADY: 3 (1), 5 (1), 8 (1)
PAINTED LADY: 2-3 (2), 4, 5 (2), 6 (1), 8, 13, 16
RED ADMIRAL: 2 (15), 3 (4), 4 (5), 5 (11+), 6-13, 18, 22, 25 (2), 28 (1), 30 (4), 31 (1)
COMMON BUCKEYE: 7-8 (1), 13 (1)
VICEROY: 25 (1), 28 (3), 29-30 (1), 31 (5)
MONARCH: 7-8 (1), 9 (2), 10 (1), 12-13 (3), 15-16 (5), 17 (1), 25 (4), 26 (3), 28 (8), 29 (1),
30 (4), 31 (1)
PECK’S SKIPPER: 28 (1), 29 (2)
ODONATE
BLUE-FRONTED DANCER: 26 (1♀)
EASTERN FORKTAIL: 12 (1♂ + 1♀), 16 (2♂ + 1♀), 25 (1♂ + 1♀), 28 (2♂ + 2♀),
31 (1♂ + 2♀)
COMMON GREEN DARNER: 3 (2), 4 (3), 5 (5+), 6-13, 16, 22, 25 (1), 26 (2), 31 (4)
COMMON WHITETAIL: 15 (1♀), 27 (1♀)
RED SADDLEBAGS: 10 (1)
Wolf. Oesterreich
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