Many of the kinglets passed through earlier in the month,
especially the Golden-crowned Kinglet (left). The Ruby-crowned Kinglet
(right) can still be found in May. The "ruby crown" is just barely
visible on this bird. Usually the "ruby crown" is more visible when the
bird is agitated. Both species are constantly on the move. 4/11/16 (Wolf. Oesterreich)
A total of 115 avian species was recorded this month, ranking this month as the 3rd highest April among 19 years of records. April 2013 with 122 species remains as the highest April, while April 1998 with 61 species is the lowest. So far, a total of 126 species have been recorded this year (9 species more than in 2015).
Wolf. Oesterreich
A total of 115 avian species was recorded this month, ranking this month as the 3rd highest April among 19 years of records. April 2013 with 122 species remains as the highest April, while April 1998 with 61 species is the lowest. So far, a total of 126 species have been recorded this year (9 species more than in 2015).
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 Warbling Vireo on the 24th may represent a new early
extreme Spring record for Story County (old record set on 25 April 1990 at Brookside
Park). The Cliff Swallows on the 22nd
may also set a new extreme early Spring record (old record set on 25 April 1982
at Hendrickson Marsh).
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).
[I left for California on the 14th and returned on the
18th.]
AVIAN
GREATER
WHITE-FRONTED GOOSE: 1 (14), 8 (39), 9 (11), 10 (35), 11-12 (72), 13 (55),
19
(21), 20
(23), 21 (17), 22 (21)
CANADA
GOOSE: 1-14, 18-30
TRUMPETER
SWAN: 3 (2 ad)
WOOD
DUCK: 2 (1♂), 3 (1♂ + 1♀), 4 (6), 5 (1♂ + 1♀), 6 (7), 7 (1), 9 (18), 10 (2),
12,
13 (3), 19 (5), 20
(6), 21 (2), 22 (2♂ + 1♀), 26 (1♂), 27 (3♂ + 2♀), 29 (5♂),
30 (2♂ + 1♀)
GADWALL:
1 (11+), 2 (3), 3 (4), 4 (17), 6 (47), 7 (26+), 9 (26+), 10 (4), 11-12 (6), 13
(4),
14 (13), 19
(9), 21 (1), 22 (3), 24 (9), 25 (12), 27 (8), 28 (3), 29 (6), 30 (9)
AMERICAN
WIGEON: 6 (1♂ + 2♀), 10 (6), 24 (7)
MALLARD:
1-14, 19-30
BLUE-WINGED
TEAL: 1 (6+), 2 (10+), 4-5 (9+), 6 (26+), 7 (9+), 8 (2), 9 (13), 10 (31+),
11
(17+), 12 (7+), 13 (20+),
14 (4), 19 (50+), 20 (20+), 21-22 (25+), 23 (27+), 24 (33+),
25 (12+), 26
(15+), 27 (7), 28 (15+), 29 (21+), 30 (5+)
NORTHERN
SHOVELER: 1 (33+), 2 (36+), 3 (10), 4 (30+), 5 (26+), 6 (127+), 7 (136+),
8
(114+), 9 (30), 10 (59+),
11 (51+), 12 (56+), 13 (25+), 14 (38), 19 (47), 20 (12+),
21 (23+), 22
(32+), 23 (34+), 24 (36+), 25 (38+), 26 (16+), 28 (29), 29 (16+), 30 (3)
GREEN-WINGED
TEAL: 1 (11+), 2 (16+), 3 (3), 4 (14+), 5 (2), 6 (83+), 7 (33+), 8 (47+),
9
(89+), 10 (14+), 11
(18+), 12 (15+), 13 (4), 14 (8), 19 (6), 20 (5)
CANVASBACK:
4 (1♂)
REDHEAD:
6 (2♂), 8 (14)
RING-NECKED
DUCK: 1 (13+), 2-3 (1♂), 4 (2♂ + 1♀), 5 (10), 6 (4♂ + 1♀), 7 (4), 8 (14+),
9 (9+), 10 (13+), 11
(5+), 12 (10+), 13 (9), 14 (1♂), 19-20 (1♂), 24 (2♂ + 1♀)
LESSER
SCAUP: 1 (12+), 2 (11), 4 (20), 5 (48), 6 (112+), 7 (84+), 8 (19), 9 (2), 13
(32),
22 (1♂ + 1♀), 24 (3♂ + 3♀)
BUFFLEHEAD:
3 (1♂ + 1♀), 5 (4♂ + 1♀), 6 (3♂ + 3♀), 7-8 (1♂ + 1♀), 12 (1♂ + 2♀),
13 (2♂)
HOODED
MEGANSER: 2 (1♂ + 1♀), 4-5 (1♀), 6 (4♂ + 13♀), 8 (6), 9 (2♂ + 3♀),
10 (3♂ + 3♀), 11 (1♂ + 3♀), 13-14
(1♂ + 1♀), 19 (1♀), 22 (1♀)
RED-BREASTED
MERGANSER: 5 (1♂ + 3♀), 8 (2♀), 21 (2♀), 27-28 (1♂ + 1♀),
29 (1♂ + 2♀)
RUDDY
DUCK: 1 (2), 4 (6), 6 (12), 7 (8), 8 (1), 9-10 (2), 11 (1♀)
RING-NECKED
PHEASANT: 1, 2 (1♂ BY), 4 (+ 1♂ BY), 5, 6-7 (+ 1♂ BY), 8-9,
10-11 (+ 1♂ BY), 12-13, 14 (+ 1♂
BY), 19-22, 23 (1♂ BY +), 24-25, 26 (1♂ BY +),
27-29, 30 (1♂ BY +)
COMMON
LOON: 4 (2 abp), 5 (1 im), 7-8 (1 abp), 10 (1 abp), 11 (2 abp), 12 (1 abp),
23
(1 abp), 27 (2 abp + 1 im)
PIED-BILLED
GREBE: 1 (8), 2-3 (2), 4 (8), 5 (13), 6 (37), 7 (101+), 8 (32+), 9 (31+),
10
(18), 11 (26), 12 (7), 13 (3),
14 (1), 19 (16), 20 (5), 22 (8), 23 (2), 24 (7), 26 (22),
27 (3), 28 (6), 29 (9), 30 (2)
HORNED
GREBE: 8-9 (1 abp), 19 (4 abp)
EARED
GREBE: 14 (1)
DOUBLE-CRESTED
CORMORANT: 3 (31+), 4 (9), 12 (1), 20 (3), 29 (1)
AMERICAN
WHITE PELICAN: 24 (17)
GREAT
BLUE HERON: 2-3 (1), 4-5 (2), 7 (1), 9 (2), 10 (3), 11 (2), 12-13 (1), 19-20
(2),
23 (1), 25 (1), 26 (2), 27-29
(1), 30 (2)
GREAT
EGRET: 19 (1), 20 (3), 21-22 (1), 23 (2), 24 (1), 25 (2), 26 (4), 27 (6), 28
(2),
29 (4), 30 (1)
GREEN
HERON: 22 (1), 30 (1)
TURKEY
VULTURE: 1 (9+), 2 (20+), 3 (2), 4 (1), 5 (12+), 6 (10+), 7 (3), 8 (6), 9 (3),
10-11 (10), 12 (1), 13 (4), 19 (1),
20 (3), 22 (2), 23 (1), 24 (2), 25 (1), 26 (5), 27 (7),
28 (6), 29 (7), 30 (2)
OSPREY:
3 (1), 5 (1), 8-10 (1), 12-13 (1), 23 (1), 27-28 (1), 29 (2), 30 (3)
BALD
EAGLE: 6 (1 ad), 10 (2 ad), 29 (1 im)
SHARP-SHINNED
HAWK: 8 (1)
COOPER’S
HAWK: 10 (1), 21 (1), 28 (1)
BROAD-WINGED
HAWK: 24 (4), 26 (1), 28 (2)
RED-TAILED
HAWK: 1 (2), 2 (1), 3 (3), 4 (2), 5 (3), 6-7 (1), 8 (2), 9 (1), 10 (3), 11 (2),
12-13 (1), 14 (2), 19 (2),
20 (3), 21 (2), 22 (3), 23 (2), 24-25 (1), 26-30 (2)
SORA:
19 (1)
AMERICAN
COOT: 1 (46+), 2 (14+), 3 (10), 4 (26+), 5 (9+), 6 (172+), 7 (61+), 8 (73+),
9
(64+), 10 (61+), 11
(43+), 12 (54+), 13 (42+), 14 (14), 19 (34), 20 (11), 21 (2),
22 (15), 23 (7), 24 (9),
25 (5), 26 (11), 27-28 (3), 29 (4)
KILLDEER:
10 (1), 13 (3), 19 (3), 20-23 (1), 25-29 (1)
SPOTTED
SANDPIPER: 19 (1), 27 (6), 28 (1), 29 (3), 30 (1)
SOLITARY
SANDPIPER: 19 (1), 20 (2), 26-27 (1), 29 (1)
GREATER
YELLOWLEGS: 10 (2), 22 (2), 25 (5), 26 (6), 27 (3)
WILLET:
27 (18)
LESSER
YELLOWLEGS: 10 (5), 21 (1), 25 (3), 26 (1), 27 (6), 28 (9), 29 (14)
MARBLED
GODWIT: 27 (1)
LEAST
SANDPIPER: 19 (4), 27 (2)
PECTORAL
SANDPIPER: 19 (7), 20-21 (1), 24 (1), 25 (8)
LONG-BILLED
DOWITCHER: 21 (1), 27 (2)
WILSON’S
SNIPE: 4 (2), 10 (6), 13 (5), 19 (2)
RING-BILLED
GULL: 3 (52+), 6 (10), 7 (36), 8 (10), 13 (1), 21 (1), 29 (3)
BONAPARTE’S
GULL: 13 (1)
FORSTER’S
TERN: 27 (6), 29 (2)
EURASIAN
COLLARED-DOVE: 9 (1), 14 (1), 18-20 (1), 22-23 (1), 24 (2), 25 (1), 27 (1),
29-30 (1)
MOURNING
DOVE: 1-5, 7, 9-14, 19-25, 27-30
BARRED
OWL: 27 (1)
CHIMNEY
SWIFT: 28 (1), 29 (6)
BELTED
KINGFISHER: 7 (2), 22 (1), 24 (1)
RED-BELLIED
WOODPECKER: 3-4, 9-10, 12, 14, 19-20, 22, 24, 28
YELLOW-BELLIED
SAPSUCKER: 10 (1 BY)
DOWNY
WOODPECKER: 1, 3, 5-7, 9-12, 14, 22-24
HAIRY
WOODPECKER: 1, 11, 14, 25, 27
NORTHERN
FLICKER (Yellow-shafted): 2 (2), 3 (3), 4 (2), 5 (3), 7 (2), 8 (6), 9 (5),
10-11
(3), 12-13 (1), 19, 21
(2), 22 (3), 24 (1), 26 (2), 27 (1), 29 (2), 30 (1)
NORTHERN
FLICKER (Red-shafted): 6 (1)
AMERICAN
KESTREL: 2 (1♂), 8 (1♀)
PEREGRINE
FALCON: 29-30 (1)
EASTERN
PHOEBE: 6-7 (1), 9 (2), 10-11 (4), 14 (1), 21 (1), 27 (1)
WARBLING
VIREO: 24 (1), 25 (2), 26 (1), 28 (2), 29 (1)
BLUE
JAY: 6-7, 9-10, 14, 19-27, 29-30
AMERICAN
CROW: 1, 3-4, 6, 8-14, 19-28, 30
PURPLE
MARTIN: 10 (2), 11 (1♂ + 1♀), 12 (1), 13-14 (3), 19-30
TREE
SWALLOW: 1 (1), 3 (6), 4 (5), 5 (1), 6-7 (3), 9 (2), 10 (4), 11 (5), 12 (12),
13 (15+),
14, 19-30
NORTHERN
ROUGH-WINGED SWALLOW: 19 (1), 27, 29
BANK
SWALLOW: 22 (1), 29 (1)
CLIFF
SWALLOW: 22, 27, 29-30
BARN
SWALLOW: 24 (1), 27-30
BLACK-CAPPED
CHICKADEE: 1-14, 19, 21-26, 28-29
WHITE-BREASTED
NUTHATCH: 9-10, 13, 22-23, 25
BROWN
CREEPER: 10 (1)
HOUSE
WREN: 24 (1 BY), 25 (1), 27-28
WINTER
WREN: 27 (1)
BLUE-GRAY
GNATCATCHER: 27 (1)
GOLDEN-CROWNED
KINGLET: 9 (1), 10 (2), 11 (1)
RUBY-CROWNED
KINGLET: 4 (2), 9-10 (2), 11-12 (4), 21 (1), 25 (4), 27 (3), 28 (2)
EASTERN
BLUEBIRD: 2-3 (1♂ + 1♀), 5-6 (1♂ + 1♀), 9 (1), 13 (1), 14, 20, 21 (1♂),
22 (1♂
+ 1♀), 29-30 (1♂ + 1♀)
HERMIT
THRUSH: 4 (1), 13-14 (1), 21 (1)
AMERICAN
ROBIN: 1-14, 18-30
BROWN
THRASHER: 19-20 (1), 21 (3), 22-24 (1), 26 (2), 27 (1), 29 (1)
NORTHERN
MOCKINGBIRD: 27 (1), 29 (1)
EUROPEAN
STARLING: 1, 3-6, 8-10, 13, 19, 21-25, 27-30
LOUISIANA
WATERTHRUSH: 28 (1)
NORTHERN
WATERTHRUSH: 29 (1)
BLACK-AND-WHITE
WARBLER: 25 (1)
ORANGE-CROWNED
WARBLER: 24-25 (1)
COMMON
YELLOWTHROAT: 28 (1♂)
PALM
WARBLER: 22 (6), 25 (2)
YELLOW-RUMPED
WARBLER (Myrtle): 3 (1), 4 (2), 9-10 (1), 11 (4), 12 (2), 19 (1),
20 (2), 21
(9), 22 (4), 23 (2),
24 (3), 28 (1), 29 (3)
AMERICAN
TREE SPARROW: 3 (1)
CHIPPING
SPARROW: 19 (1), 20-30
CLAY-COLORED
SPARROW: 30 (1)
FIELD
SPARROW: 10 (4), 11 (1), 12 (3), 19 (3), 20 (1), 21 (2), 23 (2), 25 (1), 27-28
(1),
30 (1)
LARK
SPARROW: 21 (1)
SAVANNAH
SPARROW: 28 (1), 30 (1)
FOX
SPARROW: 1 (1 BY), 6 (1 BY), 7 (2 BY + 3), 8 (1 BY), 10 (1 BY), 11 (2 BY)
SONG
SPARROW: 1-14, 19-30
LINCOLN’S
SPARROW: 20 (1), 28 (1)
SWAMP
SPARROW: 1 (1), 4 (1), 13 (1), 20 (2), 21 (1), 22 (5), 24 (1), 29-30 (1)
WHITE-THROATED
SPARROW: 21 (6), 24 (14+), 27 (9+), 28 (4+), 29 (2)
DARK-EYED
JUNCO (Slate-colored): 1 (4 BY + 14), 2 (2 BY + 4), 3 (7 BY + 1),
4 (4 BY + 4), 5 (2 BY + 5), 6 (9
BY + 7), 8 (1 BY + 27), 9 (3 + 4 BY), 10 (7 + 3 BY),
11 (1 BY + 8), 12
(4 BY + 10), 13 (3 + 1 BY)
NORTHERN
CARDINAL: 1-14, 18-30
RED-WINGED
BLACKBIRD: 1-14, 18-30
EASTERN
MEADOWLARK: 4-5, 14, 22 (2), 26 (1)
RUSTY
BLACKBIRD: 8 (1♂), 19 (14), 11 (1)
COMMON
GRACKLE: 1-14, 18-30
BROWN-HEADED
COWBIRD: 1 (9♂), 3 (4♂ + 1♀), 6 (5♂), 9 (4♂ + 1♀), 10 (8♂),
14 (14), 19 (5), 20-24, 27-29
HOUSE
FINCH: 1-14, 19-30
AMERICAN
GOLDFINCH: 9-10, 14, 19-30
HOUSE
SPARROW: 1-14, 19-30
MAMMALIAN
AMERICAN
MINK: 4 (1), 11 (2), 22 (1)
WHITE-TAILED
DEER: 1 (2 BY), 3 (11 BY), 5 (4), 7 (12), 9 (2 BY + 6), 14 (21), 22 (4),
24
(1), 26 (5), 27 (6), 28 (4),
30 (3)
FOX
SQUIRREL: 1-5, 7-12, 14, 19-24, 27, 29-30
THIRTEEN-LINED
GROUND SQUIRREL: 10-11 (1)
EASTERN
CHIPMUNK: 20 (1)
MUSKRAT:
2 (1), 5-6 (1), 10 (1), 28 (1)
EASTERN
COTTONTAIL: 1, 3-13, 19-30
AMPHIBIAN
AMERICAN
TOAD: 19-27
EASTERN
GRAY TREE FROG: 24, 28
BOREAL
CHORUS FROG: 1-14, 19-26, 28, 30
NORTHERN
LEOPARD FROG: 11 (1)
AMERICAN
BULLFROG: 13 (9+), 19-26, 29-30
REPTILIAN
PLAINS
GARTER SNAKE: 3 (1), 11-12 (1), 23-24 (1), 26 (1)
NORTHERN
PAINTED TURTLE: 4, 6, 10-12, 19-22, 24-26, 28
RED-EARED
SLIDER: 4 (1), 19-20 (1), 22 (1), 28 (1)
SPINY
SOFTSHELL TURTLE: 26 (2)
LEPIDOPTERA
BLACK
SWALLOWTAIL: 23 (1), 26 (1)
CABBAGE
WHITE: 13 (3), 19 (4), 22-23, 25
ORANGE
SULPHUR: 25-26
Sulphur
sp.: 13 (1), 23-26, 28
SPRING
AZURE: 24 (1)
MOURNING
CLOAK: 3 (1), 10 (1), 12 (3), 13 (1)
PAINTED
LADY: 19 (1)
RED
ADMIRAL: 4 (3), 10 (4), 11 (2), 12 (4), 13 (3), 19-20 (1), 21 (2), 22 (1), 23
(3), 24-26,
28
WOOLLY
BEAR (Isabella Tiger Moth):
ODONATA
COMMON
GREEN DARNER: 10 (1♂), 13 (3), 19 (2), 21 (1), 23, 25
VARIEGATED
MEADOWHAWK: 13 (3), 25
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