The eBirdr field guide

Bird Advisor

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

Question 9 6 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. 1
    What TYPE of bird was seen ? Gull-like, or a Seabird
    Change
  2. 2
    What colour was the BILL ? Unknown
    Change
  3. 3
    How BIG was the bird ? Crow-sized
    Change
  4. 4
    What colour were the LEGS or FEET ? Unknown
    Change
  5. 5
    What colour was the THROAT ? Olive (yellowish-green)
    Change
  6. 6
    What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
    Change
  7. 7
    What was the predominant colour of the HEAD ? Yellow
    Change
  8. 8
    What colour was the BELLY ? Unknown
    Change

Leading possibilities

6 possibilities remain

1 rule inferred
  1. 1

    Parasitic Jaeger

    Why this matches 5 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • How BIG was the bird ? Crow-sized
    • What colour was the THROAT ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
    • What was the predominant colour of the HEAD ? Yellow
    View profile
  2. 2

    Long-tailed Jaeger

    Why this matches 5 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • How BIG was the bird ? Crow-sized
    • What colour was the THROAT ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
    • What was the predominant colour of the HEAD ? Yellow
    View profile
  3. 3

    Pomarine Jaeger

    Why this matches 5 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • How BIG was the bird ? Crow-sized
    • What colour was the THROAT ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
    • What was the predominant colour of the HEAD ? Yellow
    View profile
  4. 4

    Heermann's Gull

    Why this matches 3 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • How BIG was the bird ? Crow-sized
    • What colour was the TOP of HEAD ? Brown, or chestnut (reddish-brown)
    View profile
  5. 5

    Laughing Gull

    Why this matches 2 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • How BIG was the bird ? Crow-sized
    View profile

Showing the strongest matches so far. Keep answering—the order may change.

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