--- title: "BIP39 Word #181: bird — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/bird/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #181 00010110100 # bird — BIP39 word #181 "**bird**" is word #181 of the 2048 words in the official BIP39 English wordlist, between [biology](/bip39-word/biology/) and [birth](/bip39-word/birth/). In a seed phrase it stands for the 11-bit value `00010110100`, decimal index 180\. /bɜːd/ · _noun:_ a feathered animal with wings and a beak that lays eggs [Russian](/ru/ "The BIP39 wordlist with Russian translations"): птица ## Binary Representation Four 1-bits and seven 0-bits; 330 of the 2048 indexes have exactly four 1-bits. One wrong bit turns it into (leftmost bit first): [notable](/bip39-word/notable/)[final](/bip39-word/final/)[custom](/bip39-word/custom/)[alley](/bip39-word/alley/)[burden](/bip39-word/burden/)[barely](/bip39-word/barely/)[behind](/bip39-word/behind/)[bleak](/bip39-word/bleak/)[bid](/bip39-word/bid/)[bitter](/bip39-word/bitter/)[birth](/bip39-word/birth/) Position Hex Index 0x0B4 4-Letter Prefix bird ## About "bird" in BIP39 - It takes all four letters to identify "bird": **"bir"** also begins [birth](/bip39-word/birth/). ## Word #181 in the Other 9 BIP39 Wordlists [Czech](/czech/) chvat [French](/french/) aveugle [Italian](/italian/) avviso [Japanese](/japanese/) うなぎ [Korean](/korean/) 교환 [Portuguese](/portuguese/) arrebate [Spanish](/spanish/) atleta [Traditional Chinese](/chinese-traditional/) 已 [Simplified Chinese](/chinese-simplified/) 已 ## Similar Words — Check Carefully During Recovery 2 BIP39 words differ from "bird" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [bid](/bip39-word/bid/)[bind](/bip39-word/bind/) Read aloud, "bird" /bɜːd/ is one sound away from these 4 words: [birth /bɜːθ/](/bip39-word/birth/)[board /bɔːd/](/bip39-word/board/)[burden /ˈbɜːdn/](/bip39-word/burden/)[word /wɜːd/](/bip39-word/word/) Words sharing the first three letters "bir": [birth](/bip39-word/birth/) ## More BIP39 Words Starting with "B" [ #177 bid ](/bip39-word/bid/)[ #178 bike ](/bip39-word/bike/)[ #179 bind ](/bip39-word/bind/)[ #180 biology ](/bip39-word/biology/)[ #182 birth ](/bip39-word/birth/)[ #183 bitter ](/bip39-word/bitter/)[ #184 black ](/bip39-word/black/)[ #185 blade ](/bip39-word/blade/) [View all words starting with "B" ](/bip39-words/b/) ## Seed phrase, key and recovery guides - [How to Protect Your Crypto Wallet from Phishing](/protect-crypto-wallet-from-phishing/) - [Monero Seed Phrase: 25 Words, Polyseed and Private Keys](/seed-phrase-and-private-key-format-of-monero-guide/) - [BIP85: Derive Many Seed Phrases From One Seed](/bip85/) [ Full BIP39 Wordlist ](/)