Ruff vs Christmas Sandpiper
Calidris pugnax से तुलना Prosobonia cancellata
Side-by-Side Comparison
| विशेषता | Ruff | Christmas Sandpiper |
|---|---|---|
| वैज्ञानिक नाम | Calidris pugnax | Prosobonia cancellata |
| गण | Charadriiformes | Charadriiformes |
| कुल | Scolopacidae | Scolopacidae |
| संरक्षण स्थिति | Least Concern | Extinct |
| लंबाई | — | — |
| पंखों का फैलाव | 32.7 cm (12.9 in) | — |
| वजन | 156.0 g (5.50 oz) | 38.0 g (1.34 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Ruff
Extinct
Christmas Sandpiper
About These Birds
Ruff
Ruff: 20–32 cm, highly sexually dimorphic sandpiper; breeding males grow an elaborate neck ruff in white, black, rufous, or barred patterns for lek displays. Breeds on wet Arctic and boreal meadows of Eurasia; winters in sub-Saharan Africa and South Asia. Female ('Reeve') plain brown. Feeds on invertebrates and seeds. Long-distance migrant.
Christmas Sandpiper
Christmas Sandpiper: 18–20 cm, slender sandpiper endemic to Christmas Island in the Indian Ocean with brown-barred upperparts and pale underparts. Inhabits coastal rocky shores and forest interior. NT. Threatened by introduced yellow crazy ants and habitat modification. Sedentary island endemic. Invertebrate feeder.