The eBirdr field guide

Bird Advisor

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

Question 6 10 possible birds

How BIG was the bird ?

Choose the answer that comes closest to what you observed.

Smaller than a sparrow Sparrow-sized Robin-sized Pigeon-sized Crow-sized Goose-sized Larger than a goose

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

Your observation 5 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 ? Green
    Change
  3. 3
    What colour was the BREAST ? White, or pale (grayish-white)
    Change
  4. 4
    What colour were the LEGS or FEET ? Olive (yellowish-green)
    Change
  5. 5
    What colour was the TOP of HEAD ? White, or pale (grayish-white)
    Change

Leading possibilities

10 possibilities remain

1 rule inferred
  1. 1

    Ring-billed Gull

    Why this matches 5 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 ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? White, or pale (grayish-white)
    View profile
  2. 2

    Mew Gull

    Why this matches 5 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 ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? White, or pale (grayish-white)
    View profile
  3. 3

    Brown Booby

    Why this matches 5 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 ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? White, or pale (grayish-white)
    View profile
  4. 4

    California Gull

    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 colour were the LEGS or FEET ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? White, or pale (grayish-white)
    View profile
  5. 5

    Lesser Black-backed Gull

    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 colour were the LEGS or FEET ? Olive (yellowish-green)
    • What colour was the TOP of HEAD ? White, or pale (grayish-white)
    View profile

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

Comparing your observations with 658 species in the Advisor knowledge base.

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