Ampibians

• Name means 2 lives
• They never drink water
• Frogs skin is moist
• Skin shed every 4-10 days
• some Frogs skin can change colour
• Some species have toxic skin glands

Frogs:

• Smooth skin
• jump very high
• excellent swimmers
• vocal

Toads:

• Rough skin
• secrete bufotoxin from glands ( defense) 
• Don't jump so high
• Can't swim well
• Tadpoles are smaller and darker then frog's

Frog calls

• Advertisement call (mating)
• aggressive call
• Distress call
•  Time sharing call

Vocal calls:

• Singular vocal sac
• Paired vocal sac
• Lateral paired vocal sac

Mating:
Clasping positions:

• Adhesion (in deep water) glued together
• Inguined (on land) Male hold female at " hips"
• Axillary clasp ( shallow water) Male clasp female just behind front legs

Skin:

• when they are cold their skin gets darker
• If pigments are clumped, it's darker, if it is spread, it's lighter

Reproduction:

• Eggs
• larvae
• tadpole
• frog let
• adult 

Toxicity:

• Most important defense magnetism
• Toxic can be absorbed through skin

Types:
Guttural toad:

•    Body: grey brown, nearly black, with irregular spots
• feels rough
• Call: deep vibrant guttural snore
• Aggressive invader

Olive toad:

• Light brown, red patches on thigh
• Call: slow "wong wong wong"
• Useful near houses- they eat insects

Red toad

• Smooth back
• Call: very slow boom

Giant frog:

• Massive body
• Regarded as a valuable source of protein and fat by rural people
• Solitary in deep marshes and swamps