Crocodilian Behaviour

SAV , sub audible vibrations . With water dance viable .

SAV , short flank burst on land .

SAV , water flicks off the flanks

Roar

Deep empty well sound

Chirp

Narial gysering

Cough / gargle with water in the mouth . Water will spit out from the sides

Whistle

Head slap/ water bite

Jaw clap

Hiss sounds like truck breaks

Hic cup

Huff , blow out air short burst

Bubbles

Purring sound

Bask

Float high, inflated posture

Float low

Submerge

Head up> 45’ in water or land . 1,2,3 ,4

Head up <45 in water or land 1,2,3 ,4

1.Head up alert

2.Head up before head strike

3. Head up exposing glands

4. Head up submission

HOTA

Gular glands everted

Gular glands pumped

Tail swish large

Tail swish small

Copulation

Chase fast

Chase slow /follow

Head wack

Retreat rapid

Retreat slow

Bite

Mock bite

High stance belly off the ground

Mouth agape

Combat high float and circle

Head held to one side

Shake snout under water

Sucks in flanks as he exhales

Teeth exposed, mouth held slightly open so bottom and top teeth are visible

Deliberate touch another

Twitch , short and fast , with flanks

Twitch of male resulting in instant jump

Deliberate splash using head and tail