The eBirdr field guide

Bird Advisor

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

Question 9 3 possible birds

What SHAPE was the TAIL ?

Choose the answer that comes closest to what you observed.

Square or slightly notched at the end Rounded at the end Pointed or wedge-shaped Forked Unknown

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

Your observation 8 answers recorded · open to review or change

1
What TYPE of bird was seen ? Gull-like, or a Seabird
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2
What colour was the BILL ? Green
Change
3
What colour was the BREAST ? White, or pale (grayish-white)
Change
4
What colour were the LEGS or FEET ? Yellow
Change
5
What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
Change
6
What type of environment was the bird seen in? Open ocean; beyond sight of land
Change
7
What colour was the THROAT ? White, or pale (grayish-white)
Change
8
WHERE was the bird seen ? Northwestern Canada or United States
Change

Leading possibilities

3 possibilities remain

1 rule inferred

1
Streaked Shearwater
Why this matches 7 supporting observations
- What TYPE of bird was seen ? Gull-like, or a Seabird
- What colour was the BILL ? Green
- What colour was the BREAST ? White, or pale (grayish-white)
- What colour were the LEGS or FEET ? Yellow
- What type of environment was the bird seen in? Open ocean; beyond sight of land
- What colour was the THROAT ? White, or pale (grayish-white)
- WHERE was the bird seen ? Northwestern Canada or United States
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2
California Gull
Why this matches 5 supporting observations
- What TYPE of bird was seen ? Gull-like, or a Seabird
- What colour was the BREAST ? White, or pale (grayish-white)
- What colour were the LEGS or FEET ? Yellow
- What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
- WHERE was the bird seen ? Northwestern Canada or United States
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3
Double-crested Cormorant
Why this matches 4 supporting observations
- What TYPE of bird was seen ? Gull-like, or a Seabird
- What colour was the BREAST ? White, or pale (grayish-white)
- What type of environment was the bird seen in? Open ocean; beyond sight of land
- What colour was the THROAT ? White, or pale (grayish-white)
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Showing the strongest matches so far. Keep answering—the order may change.