Do you have any invasive animal/plant species where you live?

Wild Parsnip is a big problem in my area. The sap of the plant contains chemicals that can irritate skin and eyes and cause severe burning and blistering on affected skin when it is exposed to the sun. If near it you can get blisters that cause permanent scarring. I’m more afraid of it than the wolves and coyotes. 

 

  A lot of Vegemite-eaters, mayo-eaters, and especially avocado/guacamole-eaters invade my space all the time. Does that count?

:(

Eurasian watermilfoil

prob a lot but off the top of my head fresh water goby 

Yes, many.

European humans are by far the worst. 

:)

Yea, but they are just other people.

Yes, Scotch Broom.  A very hardy and extremely flammable plant that's hard to eradicate. 

There are species of fish that here are collectively called trash fish.  Eels are one such species.

The Indian Minor bird is known here as an avian rat; it is aggressive and tends to outcompete the native birds who occupy the same ecological niche.
Elsewhere in Australia, feral pigs, goats, deer, horses, camels, cats, rats, mice, foxes and rabbits do massive damage to native habitats.

The plant weeds are even more of a problem, coming in all kinds. Some threaten native ecologies because they're poisonous or destructive in other ways. Some threaten agriculture, others, gardens.

Lantana is one of our worst. All across the top end it is destroying the native rainforests.

Lantana 

 

When I first saw you look at me, I had no doubt

that you loved my tutu skirts, flaring, swirling out,

my red, orange, yellow, my soft or flaming pinks,

my long, arched stems, that step from side to side,

wild hip twists in wind whistled kinks,

as my loins astride your legs let the rhythms ride. 

Strong, spicy musk was my invitation 

to join in propagation.

What a partner you turned out to be

when, from South America, you first smuggled me.

 

Oh, you could keep me tamed in cooler, temperate climes;

you could prune me, hedge me, and plait me into vines.

But I’m the hot lady — whom only frosts can kill.

By my sweet black berries, my colonial will

calls every Fairy-Wren

to spread my seeds where ere she comes to sit

and nurture them with sweetly fertile shit.

So here in hotter, wetter climates, I am queen.

Though I wear flamboyant flowers, seductive as Lambada,

if you eat my leaves   you’ll get runny, poopy scours,

and you’ll be puking sick for endless hours.

I will taunt you — be your bane — for I have no enemies,

no real foe among your arsenal  natural remedies.

I am the fragrant honey pot, the femme fatale Lantana,

the comely, fecund, weedy lady 

who claims your forests shady.

I will never rest ’til I have won.

© Manna Hart, Tyalgum, 7.7.19