The eBirdr field guide

Bird Advisor

Describe what you saw. We’ll narrow the field together.

Question 7 2 possible birds

What SIZE was the TAIL ?

Choose the answer that comes closest to what you observed.

Very short Short Medium Long Very Long Unknown

Not completely sure? Choose Unknown when it is available—a careful “I don’t know” is more useful than a guess.

Your observation 6 answers recorded · open to review or change

1
What TYPE of bird was seen ? Swallow-like
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2
What colour was the BELLY ? Black, purple, or dark
Change
3
What SHAPE was the TAIL ? Pointed or wedge-shaped
Change
4
What colour was the THROAT ? Brown, or chestnut (reddish-brown)
Change
5
Was the RUMP or LOWER BACK light ? Unknown
Change
6
WHERE was the bird seen ? Northwestern Canada or United States
Change

Leading possibilities

2 possibilities remain

1 rule inferred

1
Fork-tailed Swift
Why this matches 5 supporting observations
- What TYPE of bird was seen ? Swallow-like
- What colour was the BELLY ? Black, purple, or dark
- What SHAPE was the TAIL ? Pointed or wedge-shaped
- What colour was the THROAT ? Brown, or chestnut (reddish-brown)
- WHERE was the bird seen ? Northwestern Canada or United States
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2
Black Swift
Why this matches 4 supporting observations
- What TYPE of bird was seen ? Swallow-like
- What colour was the BELLY ? Black, purple, or dark
- What colour was the THROAT ? Brown, or chestnut (reddish-brown)
- WHERE was the bird seen ? Northwestern Canada or United States
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Showing the strongest matches so far. Keep answering—the order may change.