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1
/birds/black-tern-chlidonias-niger/photos/19487/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/19487/photo_info_content?type=BirdPhoto
Summer adult (June), North Dakota.
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2
/birds/black-tern-chlidonias-niger/photos/7478/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/7478/photo_info_content?type=BirdPhoto
Spring adult (May), Oregon.
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3
/birds/black-tern-chlidonias-niger/photos/4508/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/4508/photo_info_content?type=BirdPhoto
Spring adult (May), Oregon.
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4
/birds/black-tern-chlidonias-niger/photos/4858/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/4858/photo_info_content?type=BirdPhoto
First-spring (May), Oregon. First-alternate plumage birds show retained blacker outer and inner primaries and many secondaries.
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5
/birds/black-tern-chlidonias-niger/photos/1230/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/1230/photo_info_content?type=BirdPhoto
Summer adult (June).
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6
/birds/black-tern-chlidonias-niger/photos/7476/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/7476/photo_info_content?type=BirdPhoto
First-spring (May), Oregon. First-alternate plumaged birds show retained blacker outer and inner primaries and many secondaries.
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7
/birds/black-tern-chlidonias-niger/photos/4855/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/4855/photo_info_content?type=BirdPhoto
First spring (May), Oregon. First-alternate plumaged birds show retained blacker outer and inner primaries and many secondaries.
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8
/birds/black-tern-chlidonias-niger/photos/4507/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/4507/photo_info_content?type=BirdPhoto
Juvenile
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9
/birds/black-tern-chlidonias-niger/photos/1231/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/1231/photo_info_content?type=BirdPhoto
alternate-plumaged adult hovering
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10
/birds/black-tern-chlidonias-niger/photos/1232/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/1232/photo_info_content?type=BirdPhoto
alternate-plumaged adult hovering
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11
/birds/black-tern-chlidonias-niger/photos/1234/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/1234/photo_info_content?type=BirdPhoto
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12
/birds/black-tern-chlidonias-niger/photos/14290/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/14290/photo_info_content?type=BirdPhoto
Juvenile (August), North Carolina. Note reddish-brown legs (black on adults), more solid black hood, dark carpal bar, and brown on the back.
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13
/birds/black-tern-chlidonias-niger/photos/14286/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/14286/photo_info_content?type=BirdPhoto
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14
/birds/black-tern-chlidonias-niger/photos/14285/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/14285/photo_info_content?type=BirdPhoto
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15
/birds/black-tern-chlidonias-niger/photos/14283/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/14283/photo_info_content?type=BirdPhoto
Juvenile (August), North Carolina.
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16
/birds/black-tern-chlidonias-niger/photos/14288/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/14288/photo_info_content?type=BirdPhoto
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17
/birds/black-tern-chlidonias-niger/photos/4506/details?type=BirdPhoto
/birds/black-tern-chlidonias-niger/photos/4506/photo_info_content?type=BirdPhoto
Juvenile (August), Oregon.
17 photos