Birds to See in Connecticut in August
131 bird species on our list for Connecticut are recorded regularly in August
Of these, the most often recorded are Gray Catbird, Mourning Dove, Blue Jay, Northern Cardinal and Song Sparrow. New this month: Sharp-shinned Hawk, Eurasian Teal, Merlin and Pied-billed Grebe and 17 more.
On the move in August
GBIF · AugArriving
At their peak
OspreyBusiest month of the year · Mar–Oct
Ruby-throated HummingbirdBusiest month of the year · May–Sep
Great White EgretBusiest month of the year · Mar–Nov
Semipalmated SandpiperBusiest month of the year · May–Oct
Semipalmated PloverBusiest month of the year · May–Oct
Least SandpiperBusiest month of the year · May
From Connecticut’s bird records, 2019–2024: arriving birds are regular this month but not last; leaving birds are regular this month but not next.
Other months
All 131 birds in August
131 birds
Gray CatbirdDumetella carolinensisSummer visitorCommon20–24 cmRegularly Apr–Jan · 3.20% in Aug
Mourning DoveZenaida macrouraResidentCommon23–34 cmRecorded all year · 3.18% in Aug
Blue JayCyanocitta cristataResidentCommon25–30 cmRecorded all year · 2.96% in Aug
Northern CardinalCardinalis cardinalisResidentCommon21–23 cmRecorded all year · 2.78% in Aug
Song SparrowMelospiza melodiaResidentCommon12–17 cmRecorded all year · 2.29% in Aug
American RobinTurdus migratoriusResidentCommon20–28 cmRecorded all year · 2.20% in Aug
Downy WoodpeckerDryobates pubescensResidentCommon14–18 cmRecorded all year · 2.07% in Aug
Tufted TitmouseBaeolophus bicolorResidentCommon14–17 cmRecorded all year · 2.01% in Aug
OspreyPandion haliaetusSummer visitorCommon54–58 cmRegularly Mar–Oct · 1.95% in Aug
White-breasted NuthatchSitta carolinensisResidentCommon13–14 cmRecorded all year · 1.91% in Aug
American CrowCorvus brachyrhynchosResidentCommon41–53 cmRecorded all year · 1.87% in Aug
House SparrowPasser domesticusResidentCommon14–17 cmRecorded all year · 1.74% in Aug
Ruby-throated HummingbirdArchilochus colubrisSummer visitorCommon7–9 cmRegularly May–Sep · 1.71% in Aug
Barn SwallowHirundo rusticaSummer visitorCommon17–19 cmRegularly Apr–Sep · 1.69% in Aug
House FinchHaemorhous mexicanusResidentCommon13–15 cmRecorded all year · 1.60% in Aug
American Herring GullLarus smithsonianusResidentCommon53–65 cmRecorded all year · 1.56% in Aug
Red-bellied WoodpeckerMelanerpes carolinusResidentCommon23–26 cmRecorded all year · 1.54% in Aug
Common StarlingSturnus vulgarisResidentCommon21–23 cmRecorded all year · 1.52% in Aug
Great White EgretArdea albaSummer visitorCommon80–104 cmRegularly Mar–Nov · 1.47% in Aug
Great Blue HeronArdea herodiasResidentCommon91–137 cmRecorded all year · 1.40% in Aug
Common GrackleQuiscalus quisculaSummer visitorCommon28–34 cmRecorded all year · 1.28% in Aug
Canada GooseBranta canadensisResidentCommon76–110 cmRecorded all year · 1.24% in Aug
MallardAnas platyrhynchosResidentCommon50–65 cmRecorded all year · 1.13% in Aug
Chipping SparrowSpizella passerinaSummer visitorCommon12–15 cmRegularly Apr–Nov · 1.11% in Aug
Northern FlickerColaptes auratusResidentCommon28–31 cmRecorded all year · 1.08% in Aug
Ring-billed GullLarus delawarensisWinter visitorCommon43–54 cmRecorded all year · 1.03% in Aug
Cedar WaxwingBombycilla cedrorumSummer visitorCommon15–18 cmRecorded all year · 0.98% in Aug
Northern MockingbirdMimus polyglottosResidentCommon21–26 cmRecorded all year · 0.95% in Aug
Semipalmated SandpiperCalidris pusillaSummer visitorCommon15–18 cmRegularly May–Oct · 0.93% in Aug
Red-winged BlackbirdAgelaius phoeniceusSummer visitorCommon17–23 cmRecorded all year · 0.87% in Aug
Great Black-backed GullLarus marinusResidentCommon64–79 cmRecorded all year · 0.83% in Aug
Semipalmated PloverCharadrius semipalmatusSummer visitorCommon17–19 cmRegularly May–Oct · 0.83% in Aug
Least SandpiperCalidris minutillaPassage migrantCommon13–15 cmRegularly May–Oct · 0.80% in Aug
Fish CrowCorvus ossifragusResidentCommon36–41 cmRecorded all year · 0.77% in Aug
Common YellowthroatGeothlypis trichasSummer visitorCommon11–13 cmRegularly May–Oct · 0.76% in Aug
Hairy WoodpeckerLeuconotopicus villosusResidentCommon18–26 cmRecorded all year · 0.74% in Aug
Red-tailed HawkButeo jamaicensisResidentCommon45–65 cmRecorded all year · 0.69% in Aug
Common TernSterna hirundoSummer visitorCommon31–35 cmRegularly May–Sep · 0.66% in Aug
Eastern BluebirdSialia sialisResidentCommon16–21 cmRecorded all year · 0.65% in Aug
American RedstartSetophaga ruticillaSummer visitorCommon11–14 cmRegularly May–Oct · 0.61% in Aug
Greater YellowlegsTringa melanoleucaSummer visitorCommon29–40 cmRegularly Mar–Jan · 0.61% in Aug
Turkey VultureCathartes auraResidentCommon62–81 cmRecorded all year · 0.61% in Aug
Rock DoveColumba liviaResidentCommon29–37 cmRecorded all year · 0.61% in Aug
Wood DuckAix sponsaSummer visitorCommon47–54 cmRecorded all year · 0.57% in Aug
Baltimore OrioleIcterus galbulaSummer visitorCommon17–19 cmRegularly May–Sep · 0.52% in Aug
Northern Yellow WarblerSetophaga aestivaSummer visitorCommon12–13 cmRegularly Apr–Sep · 0.50% in Aug
Mute SwanCygnus olorResidentCommon140–160 cmRecorded all year · 0.45% in Aug
Lesser YellowlegsTringa flavipesPassage migrantUncommon23–27 cmRegularly Mar–Oct · 0.42% in Aug
Grey PloverPluvialis squatarolaSummer visitorUncommon27–30 cmRegularly Apr–Feb · 0.41% in Aug
Common RavenCorvus coraxResidentCommon54–67 cmRecorded all year · 0.38% in Aug
Pileated WoodpeckerDryocopus pileatusResidentCommon40–49 cmRecorded all year · 0.36% in Aug
Great Crested FlycatcherMyiarchus crinitusSummer visitorCommon17–22 cmRegularly May–Sep · 0.35% in Aug
Ruddy TurnstoneArenaria interpresSummer visitorUncommon21–24 cmRecorded all year · 0.35% in Aug
Purple MartinProgne subisSummer visitorCommon18–20 cmRegularly Apr–Aug · 0.32% in Aug
VeeryCatharus fuscescensSummer visitorCommon16–19 cmRegularly May–Sep · 0.31% in Aug
SanderlingCalidris albaResidentUncommon18–20 cmRecorded all year · 0.30% in Aug
American Black DuckAnas rubripesWinter visitorCommon54–59 cmRecorded all year · 0.27% in Aug
WilletTringa semipalmataSummer visitorUncommon33–41 cmRegularly Apr–Sep · 0.27% in Aug
Bald EagleHaliaeetus leucocephalusWinter visitorCommon70–102 cmRecorded all year · 0.27% in Aug
Piping PloverCharadrius melodusSummer visitorUncommon17–18 cmRegularly Mar–Sep · 0.26% in Aug
Rose-breasted GrosbeakPheucticus ludovicianusSummer visitorCommon18–22 cmRegularly Apr–Sep · 0.25% in Aug
Short-billed DowitcherLimnodromus griseusSummer visitorUncommon23–32 cmRegularly May–Oct · 0.25% in Aug
Scarlet TanagerPiranga olivaceaSummer visitorCommon16–19 cmRegularly May–Oct · 0.24% in Aug
Solitary SandpiperTringa solitariaPassage migrantUncommon19–23 cmRegularly Apr–Oct · 0.21% in Aug
Wild TurkeyMeleagris gallopavoResidentUncommon100–125 cmRecorded all year · 0.21% in Aug
Peregrine FalconFalco peregrinusResidentUncommon34–58 cmRecorded all year · 0.20% in Aug
Black-crowned Night-heronNycticorax nycticoraxSummer visitorUncommon58–65 cmRecorded all year · 0.19% in Aug
Marsh WrenCistothorus palustrisSummer visitorUncommon10–14 cmRegularly Apr–Feb · 0.19% in Aug
Barred OwlStrix variaResidentUncommon43–50 cmRecorded all year · 0.18% in Aug
Chestnut-sided WarblerSetophaga pensylvanicaSummer visitorUncommon10–14 cmRegularly May–Sep · 0.17% in Aug
Sand MartinRiparia ripariaSummer visitorUncommon12–14 cmRegularly Apr–Sep · 0.16% in Aug
Willow FlycatcherEmpidonax trailliiSummer visitorCommon13–17 cmRegularly May–Sep · 0.16% in Aug
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Mar–Nov · 0.14% in Aug
BobolinkDolichonyx oryzivorusSummer visitorUncommon16–20 cmRegularly May–Oct · 0.13% in Aug
OvenbirdSeiurus aurocapillaSummer visitorCommon12–15 cmRegularly Apr–Sep · 0.13% in Aug
Broad-winged HawkButeo platypterusSummer visitorUncommon34–44 cmRegularly Apr–Oct · 0.13% in Aug
Yellow-bellied SapsuckerSphyrapicus variusResidentCommon19–22 cmRecorded all year · 0.12% in Aug
Swamp SparrowMelospiza georgianaSummer visitorCommon12–15 cmRecorded all year · 0.11% in Aug
Brent GooseBranta berniclaWinter visitorCommon55–66 cmRecorded all year · 0.11% in Aug
Forster's TernSterna forsteriPassage migrantUncommon33–36 cmRegularly Jul–Nov · 0.10% in Aug
Glossy IbisPlegadis falcinellusSummer visitorUncommon48–66 cmRegularly Mar–Sep · 0.09% in Aug
Least FlycatcherEmpidonax minimusSummer visitorUncommon12–14 cmRegularly May–Sep · 0.08% in Aug
Northern WaterthrushParkesia noveboracensisSummer visitorUncommon12–15 cmRegularly Apr–Sep · 0.08% in Aug
Baird's SandpiperCalidris bairdiiPassage migrantUncommon14–17 cmRegularly Aug–Sep · 0.08% in Aug
Roseate TernSterna dougalliiSummer visitorUncommon33–41 cmRegularly May–Aug · 0.08% in Aug
Stilt SandpiperCalidris himantopusPassage migrantUncommon18–23 cmRegularly Jul–Oct · 0.08% in Aug
Common LoonGavia immerWinter visitorCommon66–91 cmRecorded all year · 0.08% in Aug
Black-throated Green WarblerSetophaga virensSummer visitorUncommon11–12 cmRegularly Apr–Oct · 0.07% in Aug
Common MerganserMergus merganserWinter visitorCommon58–68 cmRecorded all year · 0.07% in Aug
Buff-breasted SandpiperCalidris subruficollisPassage migrantUncommon18–20 cmRegularly Aug–Sep · 0.06% in Aug
Magnolia WarblerSetophaga magnoliaSummer visitorUncommon11–13 cmRegularly May–Oct · 0.06% in Aug
White-rumped SandpiperCalidris fuscicollisSummer visitorUncommon15–18 cmRegularly May–Nov · 0.05% in Aug
Blue-headed VireoVireo solitariusSummer visitorUncommon12–15 cmRegularly Apr–Nov · 0.05% in Aug
EiderSomateria mollissimaWinter visitorUncommon50–71 cmRegularly Jun–Apr · 0.05% in Aug
MerlinFalco columbariusWinter visitorUncommon24–33 cmRegularly Aug–Apr · 0.05% in Aug
Great Horned OwlBubo virginianusWinter visitorUncommon46–63 cmRecorded all year · 0.05% in Aug
Hermit ThrushCatharus guttatusResidentUncommon14–18 cmRecorded all year · 0.04% in Aug
Western SandpiperCalidris mauriPassage migrantRare14–17 cmRegularly Jul–Sep · 0.04% in Aug
WhimbrelNumenius phaeopusSummer visitorRare40–46 cmRegularly May–Oct · 0.04% in Aug
Sharp-shinned HawkAccipiter striatusWinter visitorUncommon24–34 cmRegularly Aug–May · 0.04% in Aug
Black-throated Blue WarblerSetophaga caerulescensSummer visitorUncommon11–13 cmRegularly Apr–Oct · 0.03% in Aug
Marbled GodwitLimosa fedoaPassage migrantRare40–50 cmRegularly Aug–Sep · 0.03% in Aug
Virginia RailRallus limicolaSummer visitorUncommon20–27 cmRecorded all year · 0.03% in Aug
Alder FlycatcherEmpidonax alnorumSummer visitorUncommon13–17 cmRegularly May–Sep · 0.03% in Aug
Cape May WarblerSetophaga tigrinaPassage migrantUncommon12–14 cmRegularly May–Jan · 0.03% in Aug
Black TernChlidonias nigerSummer visitorRare22–26 cmRegularly May–Sep · 0.03% in Aug
Eastern Screech-owlMegascops asioResidentRare16–25 cmRecorded all year · 0.03% in Aug
Eurasian TealAnas creccaWinter visitorUncommon34–38 cmRegularly Aug–Apr · 0.03% in Aug
Red KnotCalidris canutusSummer visitorRare23–26 cmRegularly May–Oct · 0.03% in Aug
Bonaparte's GullChroicocephalus philadelphiaWinter visitorUncommon28–38 cmRecorded all year · 0.02% in Aug
Long-billed DowitcherLimnodromus scolopaceusPassage migrantRare27–30 cmRegularly Aug–Nov · 0.02% in Aug
Yellow-bellied FlycatcherEmpidonax flaviventrisPassage migrantRare13–15 cmRegularly May–Oct · 0.02% in Aug
Red CrossbillLoxia curvirostraPassage migrantRare15–17 cmRegularly Apr–Jan · 0.02% in Aug
Tennessee WarblerLeiothlypis peregrinaPassage migrantUncommon10–13 cmRegularly May–Jan · 0.02% in Aug
Sandhill CraneAntigone canadensisSummer visitorRare80–122 cmRegularly Mar–Dec · 0.02% in Aug
American AvocetRecurvirostra americanaPassage migrantRare43–51 cmRegularly Aug · 0.02% in Aug
Monk ParakeetMyiopsitta monachusResidentUncommon29–31 cmRecorded all year · 0.01% in Aug
Nashville WarblerLeiothlypis ruficapillaPassage migrantUncommon11–13 cmRegularly Apr–Jan · 0.01% in Aug
Pied-billed GrebePodilymbus podicepsWinter visitorUncommon31–38 cmRegularly Aug–Apr · 0.01% in Aug
Red-necked PhalaropePhalaropus lobatusPassage migrantRare18–19 cmRegularly Aug · 0.01% in Aug
Black-billed CuckooCoccyzus erythropthalmusSummer visitorUncommon28–32 cmRegularly May–Sep · 0.01% in Aug
American Golden-PloverPluvialis dominicaPassage migrantUncommon24–28 cmRegularly Aug–Oct · 0.01% in Aug
DickcisselSpiza americanaPassage migrantUncommon14–16 cmRegularly Aug–Jan · 0.01% in Aug
Philadelphia VireoVireo philadelphicusPassage migrantUncommon11–13 cmRegularly Aug–Oct · 0.01% in Aug
Great ShearwaterArdenna gravisScarceRare43–51 cmRegularly Jul–Aug · 0.01% in Aug
American BitternBotaurus lentiginosusWinter visitorUncommon58–85 cmRecorded all year · 0.01% in Aug
Mourning WarblerGeothlypis philadelphiaPassage migrantRare10–15 cmRegularly May–Oct · 0.01% in Aug
Bay-breasted WarblerSetophaga castaneaPassage migrantUncommon14–14 cmRegularly May–Oct · 0.00% in Aug
Hudsonian GodwitLimosa haemasticaPassage migrantRare36–42 cmRegularly Aug–Nov · 0.00% in Aug
Painted BuntingPasserina cirisPassage migrantRare12–14 cmRegularly Feb–Aug · records held back in Aug (protected)
Upland SandpiperBartramia longicaudaPassage migrantRare28–32 cmRegularly Apr–Sep · 0.00% in Aug
Data: EOD – eBird Observation Dataset (Cornell Lab of Ornithology), accessed via GBIF.org, CC BY 4.0. Records from 2019–2024, aggregated and filtered by Birdfact. How these lists are made

