HomeGlossary Birding slang Lifer A species you see for the first time in your life. Many birders keep a life list and celebrate each new lifer. Birding slangRelated termsFull glossary Patch A local area that a birder visits regularly. LBJ Short for "little brown job": a small brown bird that is hard to identify. Pishing Making a "pssh-pssh" sound to draw small, curious birds out of cover. Life list A running list of every species a birder has seen. Twitch To travel to see a rare bird found by someone else; a twitcher is someone who does this. Big Day An attempt to record as many species as possible within one calendar day.