Crocodilian Behaviour
Crocodilian Behaviour Table
Description | Male | Female | Courtship | Aggressive | Other | Video |
|---|---|---|---|---|---|---|
SAV , sub audible vibrations . With water dance viable . | Yes | Yes | ||||
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 | ||||||