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Montana Field Guide

Montana Field Guides

Dunlin - Calidris alpina

Native Species

Global Rank: G5
State Rank: SNA


Agency Status
USFWS: MBTA
USFS:
BLM:
PIF:


 

External Links





 
General Description
Long, black legs with long, decurved bill. Black belly, rufous cap, and bright rufous brown back. Few differences in plummage in sexes. Males have darker bellies and grayer faces, while females are bigger in size.

For a comprehensive review of the conservation status, habitat use, and ecology of this and other Montana bird species, please see Marks et al. 2016, Birds of Montana.

Species Range
Montana Range Range Descriptions

Migratory

Western Hemisphere Range

 


Observations in Montana Natural Heritage Program Database
Number of Observations: 288

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

SUMMER (Feb 16 - Dec 14)
Direct Evidence of Breeding

Indirect Evidence of Breeding

No Evidence of Breeding

WINTER (Dec 15 - Feb 15)
Regularly Observed

Not Regularly Observed


 

(Observations spanning multiple months or years are excluded from time charts)



Migration
The species is primarily a coastal migrant in the western U.S.

Habitat
Migrant birds are usually seen on mud flats or sandy beaches (Johnsgard 1986).

National Vegetation Classification System Groups Associated with this Species

Food Habits
Diet consists of all varieties of invertebrates with the occasional plant material and small fish.

Reproductive Characteristics
Single or double brooded species with four eggs per brood. Incubation period 21 to 22 days. Young able to fly 19 to 21 days after hatch.


References
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Citation for data on this website:
Dunlin — Calidris alpina.  Montana Field Guide.  .  Retrieved on , from