Goldeneye: Alpha Code Dictionary

Look up bird species by 4-letter alpha code or common name.
What is Goldeneye: Alpha Code Dictionary?
Goldeneye: Alpha Code Dictionary is a Chrome extension that allows you to search for North American bird species and vagrants by their 4-letter alpha code or common name. It supports all species, subspecies, species complexes, and named hybrids included in the Bird Banding Laboratory (BBL) and Institute of Bird Population's (IBP) alpha code lists.

Extension stats

Users: 54 ▼ -1
Rating: 5.00 (9)
Version: 2.0.0 (Last updated: 2021-08-19)
Creation date: 2017-11-25
Risk impact: Very low risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Size: 722.94K
URLs: Website

Other platforms

Not available on Firefox
Not available on Edge
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Extension summary

Four-letter alpha codes are a quick shorthand for referring to North American bird species and vagrants. But sometimes they can be overwhelming.

Goldeneye lets you search by alpha code or species name to look up:

  • alpha codes
  • common names
  • species with potentially confusing alpha codes
  • codes that are not in use because of conflicts (e.g. PRWA)

Goldeneye is also available as a website: http://alphacodes.net

Goldeneye supports all species, subspecies, species complexes, and named hybrids included in the Bird Banding Laboratory (BBL) and Institute of Bird Population's (IBP) alpha code lists. When the authorities use different codes for the same species, the other codes are indicated in the listing. IBP codes are preferentially listed first everywhere except for BBL-specific listings (e.g. the listing for "CAGO," a BBL-only code)

Thank you to Cayenne Sweeney whose painting of a Barrow's Goldeneye is the icon and banner image for this extension. This extension was written by Tessa Rhinehart.

User reviews

Goldeneye is an awesome tool that makes finding the correct alpha code quick and easy! Previously I would have to google search an unfamiliar code and spend five minutes searching for it; now I can do that in seconds!
by Jerald Reb, 2018-01-18

SO much better than searching up the code when I couldn't remember. Quick and convenient, plus showing confusion species is super helpful as well!
by Santi Tabares Erices, 2018-01-10

MUCH better in every way than searching up a PDF. Speedy and elegant. I love it.
by Ben Meredyk, 2017-11-28
View all user reviews

Extension safety

Risk impact

Goldeneye: Alpha Code Dictionary does not require any sensitive permissions.

Risk likelihood

Goldeneye: Alpha Code Dictionary has earned a fairly good reputation and likely can be trusted.

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