Birds to See in Northern Mariana Islands in October
19 bird species on our list for Northern Mariana Islands are recorded regularly in October
Of these, the most often recorded are Eurasian Tree Sparrow, Red Junglefowl, Pacific Golden-Plover, Whimbrel and Ruddy Turnstone. New this month: Northern Pintail, Sharp-tailed Sandpiper, Great White Egret and Greenshank and 5 more.
On the move in October
GBIF · OctArriving
From Northern Mariana Islands’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 19 birds in October
19 birds
Eurasian Tree SparrowPasser montanusResidentCommon13–14 cmRecorded all year · 4.03% in Oct
Red JunglefowlGallus gallusResidentCommon42–75 cmRecorded all year · 3.67% in Oct
Pacific Golden-PloverPluvialis fulvaResidentCommon23–26 cmRecorded all year · 3.60% in Oct
WhimbrelNumenius phaeopusResidentCommon40–46 cmRecorded all year · 1.65% in Oct
Ruddy TurnstoneArenaria interpresWinter visitorCommon21–24 cmRegularly Jul–May · 1.52% in Oct
Common SandpiperActitis hypoleucosWinter visitorCommon18–20 cmRegularly Aug–May · 1.29% in Oct
Sharp-tailed SandpiperCalidris acuminataPassage migrantCommon17–22 cmRegularly Oct–Jan · 1.04% in Oct
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 1.00% in Oct
Little EgretEgretta garzettaWinter visitorCommon55–65 cmRegularly Aug–Apr · 0.79% in Oct
Wood SandpiperTringa glareolaWinter visitorCommon19–21 cmRegularly Aug–Apr · 0.68% in Oct
Northern PintailAnas acutaWinter visitorCommon59–76 cmRegularly Oct–Mar · 0.48% in Oct
Barn SwallowHirundo rusticaPassage migrantCommon17–19 cmRegularly Aug–Dec · 0.39% in Oct
Common TernSterna hirundoPassage migrantUncommon31–35 cmRegularly Oct · 0.27% in Oct
Great White EgretArdea albaPassage migrantCommon80–104 cmRegularly Oct–Apr · 0.25% in Oct
Grey HeronArdea cinereaPassage migrantUncommon90–98 cmRegularly Oct–Apr · 0.20% in Oct
Pectoral SandpiperCalidris melanotosPassage migrantUncommon19–23 cmRegularly Oct · 0.18% in Oct
Rock DoveColumba liviaPassage migrantUncommon29–37 cmRegularly May–Nov · 0.16% in Oct
RedshankTringa totanusPassage migrantUncommon27–29 cmRegularly Oct · 0.14% in Oct
GreenshankTringa nebulariaPassage migrantUncommon30–35 cmRegularly Oct–Dec · 0.11% in Oct
Smallest to largest
Length, cm- Eurasian Tree Sparrow 13–14 cm
- Barn Swallow 17–19 cm
- Common Sandpiper 18–20 cm
- Sharp-tailed Sandpiper 17–22 cm
- Wood Sandpiper 19–21 cm
- Pectoral Sandpiper 19–23 cm
- Ruddy Turnstone 21–24 cm
- Pacific Golden-Plover 23–26 cm
- Redshank 27–29 cm
- Greenshank 30–35 cm
- Common Tern 31–35 cm
- Rock Dove 29–37 cm
- Moorhen 30–38 cm
- Whimbrel 40–46 cm
- Red Junglefowl 42–75 cm
- Little Egret 55–65 cm
- Northern Pintail 59–76 cm
- Great White Egret 80–104 cm
- Grey Heron 90–98 cm
Body length, bill to tail. Rare birds in grey.
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