Birds to See in Guam in January
15 bird species on our list for Guam are recorded regularly in January
Of these, the most often recorded are Eurasian Tree Sparrow, Pacific Golden-Plover, Moorhen, Ruddy Turnstone and Rock Dove. New this month: Common Tern.
On the move in January
GBIF · JanFrom Guam’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 15 birds in January
15 birds
Eurasian Tree SparrowPasser montanusResidentCommon13–14 cmRecorded all year · 11.09% in Jan
Pacific Golden-PloverPluvialis fulvaWinter visitorCommon23–26 cmRegularly Aug–Apr · 6.22% in Jan
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 3.11% in Jan
Ruddy TurnstoneArenaria interpresResidentCommon21–24 cmRecorded all year · 3.11% in Jan
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 3.01% in Jan
Grey PloverPluvialis squatarolaWinter visitorCommon27–30 cmRegularly Sep–May · 2.38% in Jan
WhimbrelNumenius phaeopusResidentCommon40–46 cmRecorded all year · 2.28% in Jan
Northern PintailAnas acutaWinter visitorCommon59–76 cmRegularly Nov–Mar · 2.18% in Jan
Eurasian WigeonMareca penelopeWinter visitorCommon42–51 cmRegularly Nov–Mar · 1.66% in Jan
Tufted DuckAythya fuligulaWinter visitorCommon40–47 cmRegularly Nov–Feb · 1.55% in Jan
Common SandpiperActitis hypoleucosPassage migrantCommon18–20 cmRegularly Aug–Apr · 1.24% in Jan
Red JunglefowlGallus gallusSummer visitorCommon42–75 cmRegularly Mar–Jan · 0.83% in Jan
Common TernSterna hirundoPassage migrantCommon31–35 cmRegularly Sep–Jan · 0.73% in Jan
Little EgretEgretta garzettaWinter visitorCommon55–65 cmRegularly Sep–Apr · 0.73% in Jan
Wood SandpiperTringa glareolaWinter visitorCommon19–21 cmRegularly Oct–Apr · 0.73% in Jan
Smallest to largest
Length, cm- Eurasian Tree Sparrow 13–14 cm
- Common Sandpiper 18–20 cm
- Wood Sandpiper 19–21 cm
- Ruddy Turnstone 21–24 cm
- Pacific Golden-Plover 23–26 cm
- Grey Plover 27–30 cm
- Rock Dove 31–34 cm
- Common Tern 31–35 cm
- Moorhen 30–38 cm
- Whimbrel 40–46 cm
- Tufted Duck 40–47 cm
- Eurasian Wigeon 42–51 cm
- Red Junglefowl 42–75 cm
- Little Egret 55–65 cm
- Northern Pintail 59–76 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