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The Laughing Kookaburra

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by

Renee Lee

on 29 July 2014

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Transcript of The Laughing Kookaburra

The kookaburra lives in woodlands and open forests. They usually prefer dry eucalyptus forests and gumtrees.

Essential Features:
-Tall and big mature trees are essential in a Kookaburra's habitat so they can construct nests and be able to hunt freely with more ground and eye vision from above

-Branches are important so that the kookaburra can camouflage with its
wings.

Kookaburras do also live in urban areas and parks.

Abiotic Factors: Water availabilty and temperature.

Community
Kookaburra's are not lone birds, they actually prefer living together as a family.
The population status is blooming and have been introduced to other areas.
With the population growing this leads to Intraspecific competition.

Biotic Factors:
-Lizards, snakes, mice, insects and chicks. (prey)



-Owls, eagles, pythons, goannas and quolls. (predators)
Physiological Adaptations
There are 5 important and special functions the body peforms in order to adapt with its surroundings.

1. Insulation
-Regulates and produces internal heat from energy.
-Survive in colder weather especially at night.

2. The eyes
-Sharpness of the eyes allowing to pinpoint

prey.
-Clear

vision of the type of prey and any dangers of predators.
-Vision is composed of two areas rich in receptors (fovea).
-Binocular vision gives enhanced distance perception
There are 4 important physical features of the Laughing Kookaburra.
1. The Beak
- This solid hard bill is used to
catch prey
and
make
nests.

-It is sharp and shaped like dagger, ideal for
capturing small prey
with preciseness and sharpness.

-The colour of the beak is a brownish-greyish shade which
blends in with the Kookaburra's surroundings
making it harder for prey to spot the predator.

-The solidness of the beak also helps
capture large and heavy prey.
(e.g snakes)

-Hardness of the beak assists with picking and
holding rough twigs and branches
to make nests.
By Renee Lee 10G
The Laughing Kookaburra
Habitat
Dacelo Novaeguineae
Introduction
The Laughing Kookaburra is a carnivorous bird and is part of the Kingfisher family Halcyonidae, it was first recognized by aboriginals.
It is native in the eastern part of Australia and has been introduced to other locations such as Western Australia, Tasmania and New Zealand.
-They usually live on the average of 10-12 years in the wild.
Behavioural Adaptations
Structural Adaptation
Structural

Adaptations
2. The Feet
-Plays a role for the Kookabarrua's
stealth and steadiness.
-Toes are stuck together for more
grasping power
over a long period of time.
-Allows the Kookaburra to
maintain its position
while waiting for prey.
3. The Colour
-The colours assist in
blending in with the enviroment.
-Helps
camouflage.
Ecosystem
There are 3 principal behavioural adaptions the Kookaburra has in order to survive.
1. Their Call
Kookaburras are known for their 'laughing' calls.
-Travels at a long distance.

-The middle part of the call is usually peformed by a group of Kookaburras.

Reasons:
-Showing aggression towards unwanted guests.
-Territories and boundaries.
-Show emotions.
-Danger alarm.
Behavioural Adaptations
2. Knocking method
-Used for knocking large prey with the Kookaburra's strong and beak.
-Beats the prey across a hard object to kill it.
-Used to firm the meat of the prey so it is easier to consume.

3. Dropping method
-Used for the same purposes as the knocking method but requires less force of energy.
-The prey is dropped from a medium to high altitude.
-This may be done multiple times before consuming.


Structural Adaptations
4. The wings
Kookaburras are endothermic, they maintain a constant body temperature that is usually higher than its surroundings.

-The feathers are layered on top of each other to
trap body heat.
-Amounts of energy
maintains the body temperature
around 40 degrees for insulation.



Physiological Adaptations
3. Brain Structure
Kookaburras have an unusual structured brain, it is more wider than it is long.

-Contains dominant feature called the Wulst in the teloncephalon (Area of the brain relating to vision)

-Binocular species possess a much bigger wulst.

-The teloncephalon is responsible for recieving imformation from senses and sending action to the muscles.

-Allows the Kookaburra to sense things quickly and also react quickly.

4. Neck Muscles
-More flexible.
-Allows the Kookaburra to use the knocking method without injury.


Physiological Adaptation
5. Metabolsim
-Metabolism is slow, ideal for birds that spend hours perched on branches.

-Kookaburras have no problem swallowing poisonous preys, their gastric juice is so acidic that it will nullify any toxic substance.

-They do not need to drink water because their large intestine is expanded and can effectively absorb water from food.


Australia has 3 major biomes, the type of biome the Laughing Kookaburra prefers is the tropical biome. The ecosystem in which the Laughing Kookaburra lives is the Dry Sclerophyll Ecosystem.

This ecosystem contains...
-Closed canopy rainsforests.
-Eucalyptus forests with mountain ash and gum trees.
-Aniamls :Koalas, possums, platypus, flying foxes, insects and reptiles.
-Plants: Eucalypts, wattles, banksias and many types of flowers.
-Microbes: Bacteria, protista and viruses.
Role In The Community
The Laughing Kookaburra's niche in the ecosystem is to control small animal population.

Kookaburras do eat poisonous animals such as snakes, this helps the community by reducing the population of them so other species can survive at a higher rate, this also allows the growth of human population.

They also live on insects which some are known to be pests and can destroy native plants and crops.
THANK YOU FOR LISTENING!
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