The eBirdr field guide

Bird Advisor

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

Question 7 5 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 6 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 ? Blue
    Change
  3. 3
    What colour was the TOP of HEAD ? Gray, or blue-gray
    Change
  4. 4
    What colour was the BELLY ? Gray, or blue-gray
    Change
  5. 5
    What colour was the THROAT ? White, or pale (grayish-white)
    Change
  6. 6
    How BIG was the bird ? Pigeon-sized
    Change

Leading possibilities

5 possibilities remain

1 rule inferred
  1. 1

    Parasitic Jaeger

    Why this matches 6 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • What colour was the BILL ? Blue
    • What colour was the TOP of HEAD ? Gray, or blue-gray
    • What colour was the BELLY ? Gray, or blue-gray
    • What colour was the THROAT ? White, or pale (grayish-white)
    • How BIG was the bird ? Pigeon-sized
    View profile
  2. 2

    Long-tailed Jaeger

    Why this matches 6 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • What colour was the BILL ? Blue
    • What colour was the TOP of HEAD ? Gray, or blue-gray
    • What colour was the BELLY ? Gray, or blue-gray
    • What colour was the THROAT ? White, or pale (grayish-white)
    • How BIG was the bird ? Pigeon-sized
    View profile
  3. 3

    Pomarine Jaeger

    Why this matches 6 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • What colour was the BILL ? Blue
    • What colour was the TOP of HEAD ? Gray, or blue-gray
    • What colour was the BELLY ? Gray, or blue-gray
    • What colour was the THROAT ? White, or pale (grayish-white)
    • How BIG was the bird ? Pigeon-sized
    View profile
  4. 4

    Common Tern

    Why this matches 4 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • What colour was the TOP of HEAD ? Gray, or blue-gray
    • What colour was the THROAT ? White, or pale (grayish-white)
    • How BIG was the bird ? Pigeon-sized
    View profile
  5. 5

    California Gull

    Why this matches 3 supporting observations
    • What TYPE of bird was seen ? Gull-like, or a Seabird
    • What colour was the TOP of HEAD ? Gray, or blue-gray
    • How BIG was the bird ? Pigeon-sized
    View profile

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

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