Explain significance of guler fluttering in birds
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Answer:
Gular Fluttering Explained
Double-crested Cormorant, © Photo by Steve Kaye, in blog post: Gular Fluttering Is for the Birds
Double-crested Cormorant, Breeding Plumage
During hot summer days, everyone talks about gular fluttering.
If, by some odd chance, you’ve missed being part of such a conversation, here’s what you need to know about this important topic.
Then you’ll be able to impress your friends by taking the lead. For example, you might say, “So tell me, what do you think about gular fluttering?”
Then be prepared for a flood of excited questions.
You might respond by offering a basic fact, such as: “Every species needs to maintain its body temperature.
When air temperatures are low (i.e., cold), birds generate heat internally by burning extra calories. This is easy because they have a large capacity for generating heat.
When air temperature are high (that is, hot), birds must remove heat from their system. This can be difficult because heat reduction mechanisms have a small range of effectiveness.”
Pause here for a moment to let your friends absorb this. You could help by stating that it’s more difficult to cool off on a hot day.
“So birds vibrate their gular (throat tissues).
When they do this, they rapidly pump air back and forth in their system, thereby causing a very efficient form of evaporative cooling.”
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Answer:
When air temperatures are low birds generate heat internally by burning extra calories...... 'So birds vibrate their guler. when when did to this they repidly pump air back back and forth in the system, thereby causing a very efficient form of evaporative cooling.