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Indian Myna - Coggle Diagram

- - - - sedentary
      - monogamous
  - - - east Australia
        
        urban areas
        
        city scapes
        
        populated
    - - Urban areas
      - dry sclerophyll forests
        
        dense, wet ferny floors
        
        trees dense or dispersed
        
        1000mm rainfall/year
        
        temperate conditions
        
        winter and summer months (inc. autumn, spring)
      - east coast (NSW, QLD, VIC)
    - - possums
      - gliders
      - larger marsupials
  - - - dog and cat food
    - - beetles
      - grubs
      - worms
      - roaches
  - - - usurp native birds from nests
      - kill other birds/young
      - fight over food sources
      - territorial
      - no fear -
        attack humans and larger animals
        
        if threatened
      - chase possums from nests
    - - suspicious
      - open bins
  - - - 1991 = 15 birds/km2
      - 1994 = 75 birds/km2
      - 2019 = 250 birds/km2
      - 90,000+ as of 2006
  - - - pre-adapted (behavioural)
      - tall vertical structures, no tree coverage
        
        cities and urban
- - - - Purpose
        
        1862 introduced to control insects in Melbourne markets
        
        taken to North QLD to combat cane beetles impacting sugar cane
    - - temperate conditions
        
        warm-hot summers
        
        mild winters
    - - trapping
    - - evict other animals
        
        native species
        
        Parrots
        
        regents
        
        coxens
        
        turquoise
        
        double-eyed fig
        
        glossy black cockatoo
        
        hooded plover
        
        flesh-footed shearwater
        
        Terns
        
        sooty
        
        white
        
        little
        
        possums
        
        gliders
      - roofs
      - trees
  - - - garbage/waste/scraps
      - backyard
        
        pet food
        
        compost
      - birds get larger due to abundance of food
        
        population boom
    - - no natural predators
      - feral cats
      - disease/illness
    - - humans = trapping
      - no competition from other species
  - - - beak sizes
        
        drought = small seeds scarce, big seeds abundant, larger beaks (mm) needed for bigger seeds
        
        El Nino - 10% more rain = vines -
        small seeds abundant, large seeds scarce
        smaller beaks for smaller seeds
- - - - nothing natural
      - humans - trapping
    - - avian malaria
      - parasites
        
        Ornithonyssus bursia mite - dermatitis in humans
  - - - spread agricultural weeds
      - pesticides
        
        illness in birds
- - - - flight bladder
      - feathers
      - wings
      - beak
    - - Dry sclerophyll forests
        
        deforested/clear
    - - IN THE PEST SOCIETY
        
        competes with native birds for
        
        food
        
        seeds
        
        droppings disperse
        
        human waste
        
        nesting
        
        no native predators
        
        feral cats
        
        feral dogs
        
        chicks - other birds