Mallards

• Conservation & Protection

Mallards are threatened everyday by Avian Cholera.

Here we have some Mallards that have been killed by Avian Cholera.

Avian Cholera is caused by catching the bacteria  Pasteurella multocida.

Here we have a Mallard being affected by Avian Cholera.

The Mallard's competition starts forming when they migrate and move to a new ecosystem.

Mallards respond in two different ways to competition.

it will move to a different feeding ground and establish a niche.

Mallard's competition can be other ducks, Geese, or other birds.

Mallards will also go from feeding spot to feeding spot to avoid competition. If enough food is available.

Mallards have a mutualistic relationship with young rice.

Mallards have this relationship with young rice ,so the plant will live

Mallards also have this relationship ,so they will have

Mallards will provide fertilizer for the young plants.

Also mallards will eat the algae, weeds, and the insects that will kill the young plant.

Mallard's commensalistic relationships are they nest in tall grasses, the base of trees, fallen trees, thick shrubs, and tree trunks.

Mallards have this relationship because predators have driven them to

The mallard benefits by having protection and shelter, and

Mallard's have a parasitic relationship with the northern fowl mite

The Mites have this relationship because we as humans

The Northern Fowl Mite lives off the mallard's blood for 6 months then it dies.

The Northern Fowl Mite goes through its life cycle in less than a week.

The way the infestation stops is for the mites to run out of hosts.

Mallards might have developed the adaptation of webbed feet

Mallards might have developed this adaptation because the

The Mallards with Webbed feet survived and reproduced because they could make it to
the water and swim away to safety.

Secondary succession occurs in a mallard's ecosystem after a hurricane.

The ecosystem recovers by the knocked down trees, shrubs, and bushes

That allows the herbivores and decomposers to return,

Now that you have seen the Mallards naturally, it's time to see how they are affected by humans and how we change their ecosystems for better or worse.

Over hunting is a serious problem

I am not saying that all duck hunting is bad.

The effects of over hunting can be

The reason that is so bad is because the Mallards move to a new area., causing

This can also cause removal of local species through interbreeding or them being chased off.

This can be prevented by

This allows the birds to have a resting area in their

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Think of the ducklings.