Bird-Bat Language [Part 1]
A majority of the language is whistles, as those can carry great distances, but other noises are also used, helped along by things such as comms.
Each Batfamily member has a name-call These are all variations of whistling, sometimes with an added sound to differentiate.
Bruce: click-low-high-low-low (simple, with the click being mixed with a sound akin to snapping teeth) Barbara: high-coo-low-low (the coo is short while the last low is longer and trails off) Dick: low-high-high-high (his entire call is rapid as he made it when he was younger & more impatient) Jason: high-click-click-high (the first high is long while the two clicks are rapid) Cassandra: low-low-low-high (almost all of her call is long save for the first low whistle) Tim: rapid high-low-high-high (as mentioned his entire call is rapid and bunched together almost into one sound) Stephanie: long high-low-high-high (Almost identical to Tim's call save that it's stretched out for several seconds) Duke: click-low-high-click (usually adds to his call by clinking the armor on his suit giving an underlying metal sound) Damian: click-high-high-coo (click lacks snapping noise but may be accompanied by metal on stone from blades) Jarro: coo-low-high (the coo is between a high and low whistle, as though to tell how small he is) Alfred: low-low-high-high-low (the two highs are faster than the rest of the call) Kate: click-click-high-low (similar to Bruce's call the clicks are added onto via snapping teeth)
Allies, temporary or otherwise also have name-calls Not all of said allies understand what the calls mean, and in most cases the calls are used by the batfamily only unless taught.
Clark: shrill whistle-chirp (originally the rapid shrill sound was used as a warning of how dangerous he was until friendship was achieved with Bruce) Selina: merp-coo-low-low (the merp is similar to a meow while the rest of the call is slow as she's not a threat) Poison Ivy: long low-high (the two sounds are lengthened to make up for the simplicity to separate from basic noises) Harley Quinn: short high-low (the noise is usually repeated several times similar to a whistling giggle) Ghostmaker: high-high-low-click-hoot (the click hoot is a reference to his suit, specifically the metal, weapons, & cloak) Harvey: coo-low-low-click (the coo reveals the affection still there for Bruce's childhood friend even when the call was first created)
There are several sounds commonly used during patrol These were some of the first noises/words created for the language due to how important several of the meanings are
Danger/Alert: high-low-low-high (a noise made to let each other know of danger without alerting outsiders or goons) Check In: low-low-high-low-click (this is self explanatory with the others responding with their own check in sounds) Emergency/Come Get Me: rapid low-high-high (also self explanatory, an emergency that they need help getting out of) Emergency/Leave Now: rapid high-low-high (a call that means that there's an emergency & the others need to get out) Be Back/Don’t Worry: rapid chitter (usually used when they come across something not dangerous) Warning/Don’t Come: repeated rapid high (pretty much the opposite of the previous call that continues for several minutes)
There's a secondary series of patrol noises focused on individuals Several of these were made around the time that other heroes and rogues started to emerge outside of Gotham
Unknown Intruder: tap-tap-click-chitter (It's quieter than most other calls to not alert the person they're talking about) Hero Intruder: shrill shriek-click-whistle (This is one of the louder calls & far more openly angry sounding) Enemy Intruder: short shriek-whistle-click-click (the shriek is used for intimidation purposes, usually during an attack) Being Watched: short low-click long high (One of the quietest noises, mostly to not alert the observer they're aware) Target Spotted: rapid click-click-click-high (This is usually coupled with other calls such as a specific rogue or other info) Engaging Target: rapid chirp-high-high long low (This was created after the kids went in without a plan with no warning several times)
There's also several calls are for specific rogues These were made at various times as more rogues emerged, usually used with other calls such as target spotted with a large amount of the calls having warnings inside the sound
Two-Face: rapid low-low-click-high-high (his call shares similarities with Harvey's but lacks the affectionate coo & has a pair of highs that could be seen as alarm) Al Ghul: hiss-click long low (the call is meant to mimic the Lazarus Pits, the hissing of liquid, clicking of metal, and low echoes of caves) Bane: buzz-hiss (the sound is supposed to invoke the imagery of creatures such as snakes & wasps, things with Venom) Penguin: trill-bark (it's as close as they can get to a penguin cry, revealing who they're speaking of) Scarecrow: clatter-hiss-caw (the sounds mimic vials falling, opening, & of course the call of a crow, like the kind that perch on scarecrows) Joker: clatter-croak-croak (similar to Scarecrow's call but with more of a coughing sound because they think he's disgusting) Riddler: chirp-long trill-chirp (his call is more musical than most other rogues due to his way of talking in rhymes & riddles) Mr Freeze: long hiss-bark-click (it mimics the sound of something being unsealed and the cracking of ice) Deadshot: bark-trill-high (the call is meant to mimic the shooting of a gun & the whistle of a bullet in flight) Clayface: coo-low-coo (the coos are affectionate, but interspaced with a low sound, like hidden danger) Madhatter: hiss-trill-coo (honestly similar to riddler's but the hiss shows he's more of an asshole) Man-Bat: chitter-bark-click (his call mimics the sound of bats combined with something larger, like a big dog)
There's also smaller-scale crime sounds These are also used for the people working with rogues too
Mob: warble-coo-clatter (This is very self explanatory of organized crime) Goons: chirp-coo-hiss (This isn't quite mob, but still organized crime, usually people who work for rogues) Minor Crime: trill-click (This is for smaller crimes like muggings, robbers, etc) Large Group: buzz-click (This is short, usually used as a warning or in the middle of a situation) Police: caw-bark-click (Pretty self explanatory, and the sounds are easily coverable by the sounds of a city) Assassins: hoot-croak-hiss (They didn't have this word until Damian joined, then they sort of needed it lol)
Part 2: H E R E