Birds to See in Guam in May
7 bird species on our list for Guam are recorded regularly in May
Of these, the most often recorded are Eurasian Tree Sparrow, Rock Dove, Moorhen, Red Junglefowl and Ruddy Turnstone. New this month: Red Junglefowl.
On the move in May
GBIF · MayLeaving soon
From 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 7 birds in May
7 birds
Eurasian Tree SparrowPasser montanusResidentCommon13–14 cmRecorded all year · 15.80% in May
Rock DoveColumba liviaResidentCommon31–34 cmRecorded all year · 3.93% in May
MoorhenGallinula chloropusResidentCommon30–38 cmRecorded all year · 2.26% in May
Red JunglefowlGallus gallusSummer visitorCommon42–75 cmRegularly Mar–Jan · 1.57% in May
Ruddy TurnstoneArenaria interpresResidentCommon21–24 cmRecorded all year · 1.57% in May
WhimbrelNumenius phaeopusResidentCommon40–46 cmRecorded all year · 1.18% in May
Grey PloverPluvialis squatarolaWinter visitorCommon27–30 cmRegularly Sep–May · 1.08% in May
Smallest to largest
Length, cm- Eurasian Tree Sparrow 13–14 cm
- Ruddy Turnstone 21–24 cm
- Grey Plover 27–30 cm
- Rock Dove 31–34 cm
- Moorhen 30–38 cm
- Whimbrel 40–46 cm
- Red Junglefowl 42–75 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