This is a stink bug

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For reference this is a goliath birdeater. They can get up to 5" in body size and 12" in legspan.
From it's size you'd think it would be highly venomous, but to humans it's bite is similar to a wasp or hornet.

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South America

"Yes, some large tarantula species can and occasionally do eat small birds, although this is a rare event. Their primary diet consists of large insects and other invertebrates.
The most famous example is the Goliath birdeater (Theraphosa blondi), the largest spider in the world by mass, which is certainly capable of preying on small vertebrates, including birds, rodents, frogs, toads, lizards, and even small snakes"
eeewww... I'm not going to the USA - they can walk there from South America. All those Bears, Rattlesnakes, cougars, alligators and now monstrous spiders!!!
 
I wonder if you could cook & eat that spider? It seems big enough lol
Knowing the heresies that you commit when you mix vegemite with other horrible things you might be able to mash a bird eating spider and it with vegemite on toast.
 
For sure. Didn't say it wouldn't provide food. Just saying all prey/predators have their limits and I doubt they are going through some kind of decision tree on how to react. Their instinct takes over. That's all. For example, if a bird gets in a web, there is a good chance it can get out and also eat the spider if the spider were to instinctually stay and fight. Survival of the fittest.
Hate to disagree, but:

A bird would destroy the web so I assume in that case the spider wouldn't be heading towards it; there'd be no time anyway.

No decision tree required in cases where something's trapped / struggling. The spider is automatically at an advantage, regardless of the insect's size. It can paralyse the prey with its bite and then sit back and wait for the struggle to be over. If there's any instinct involved at all it'd have to be to attack in all cases where something is obviously-trapped. Its struggling would create a ripple of vibrations, as opposed to a bird's flying through a web and destroying it in one fell swoop, and it's therefore instantly-recognisable as potential food.

You actually should learn the ammonia -> nitrite -> nitrate process week 1 of fish keeping, assuming a person is serious about understanding when a tank safe for living creatures. Buy you know that 😉
Indeed, fellow aquarist. :LOL:
 
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