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Started By
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Interesting article on great tits and predators (with pics)
Posted on 3/24/14 at 6:27 pm
Posted on 3/24/14 at 6:27 pm
How great tits deal with predators
Pair of great tits
Ever get your hand on a great tit?
Ehhhhhhh, ain't I a stinker
Pair of great tits
Ever get your hand on a great tit?
quote:
To test whether they could also communicate this information, he placed models of three different animals that prey on nestlings - snakes, crows and martens - close to the birds' nest boxes. He then recorded and analysed the birds' responses. "Parents usually make alarm calls when they approach and mob the nest predators," said Dr Suzuki. "They produced specific 'jar' alarm calls for the snakes and the same 'chicka' alarm call in response to both the crows and martens," he said. But a closers analysis of the sounds showed the birds had used different "note combinations" in their crow alarm calls from those they had used for the martens. Dr Suzuki thinks the birds might have evolved what he called a "combinatorial communication system" - combining different notes to produce calls with different meanings. Since snakes are able to slither into nest boxes, they pose a much greater threat to great tit nestlings than other birds or mammals, so Dr Suzuki says it makes sense that the birds would have a specific snake alarm call. He added: "Human language is based on a combinatorial rule, which allows us to generate an infinite number of expressions (ie words) from a finite set of elements (ie alphabets). Similarly, the tits can make a word 'crow' or 'marten' by combining different types of notes into an alarm call."
Ehhhhhhh, ain't I a stinker
This post was edited on 3/24/14 at 6:32 pm
Posted on 3/24/14 at 6:47 pm to Emiliooo
Hannah inspects a great tit
Posted on 3/24/14 at 9:44 pm to fr33manator
Dammit, I was going to start one of these threads, it's been awhile. You sir get a downvote for spoiling my fun.
Posted on 3/24/14 at 10:33 pm to foshizzle
I'm just cuckoo for tits. What can I say?
Posted on 3/24/14 at 10:56 pm to fr33manator
This thread is not what I was thinking it would be.... You fooled this fool
Posted on 3/24/14 at 10:57 pm to fr33manator
Those are some fine looking tits.
Posted on 3/24/14 at 11:00 pm to Peazey
Ever seen a pecker alongside some great tits?
Posted on 3/24/14 at 11:54 pm to fr33manator
You all deserve to die
Posted on 3/25/14 at 12:00 am to nastynelly
What!? It's clearly stated in the OP that the thread is about Great Tits.
You some sort of bird hater?
You some sort of bird hater?
Posted on 3/25/14 at 12:02 am to fr33manator
I hate all hairy and feathered boobies
Posted on 3/25/14 at 12:52 am to fr33manator
4....1...3....2....4..4..4..4..4
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