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I’ve been trying to find out how many taste buds pigeons have after reading somewhere that they haven’t got many compared to humans. Well, after a lot of searching I found the original paper (Pigeon Pages by Pigeon Recovery) I had read which states that feral pigeons have only 57 taste buds compared to the 9000 humans have. Searches on the net have given me a result of 37 taste buds in feral pigeons, some stating between 27-59.

None of the pigeon books I have state how many taste buds they have, nor could I find anything scientific on the net. If anyone has a good solid reference, please share it with me. :) I will be very grateful. Thank you!

But I guess it is safe to say that pigeons haven’t got a lot of taste buds. Which makes me wonder what is it about certain foods that make Georgie go mad for them? If her taste range is so limited then popcorn and brioche must be really really delicious!! Maybe it is also the texture of these foods that she likes?

A tad bit off subject: Interestingly, pigeons suck up their water instead of the usual ‘dip, tip and gulp’ you see in other bird species. The exception is the tooth-billed pigeon (Didunculus strigirostris), which scoops up its water because of its teeth.

Pigeons have excellent eyesight and they can see all colours – including ultra-violet light (which humans cannot see). They can hear much lower frequencies than humans, as well as higher frequencies. As for their sense of smell, new research suggests that they use their sense of smell to find their way back home:

Pigeons’ homing instinct is all down to smell

Robin McKie, science editor

The Observer, Sunday 6 August 2006

Scientists have discovered the secret of pigeons’ remarkable ability to navigate perfectly over journeys of several hundred miles. They do it by smell.

Research found that pigeons create ‘odour’ maps of their neighbourhoods and use these to orient themselves. This replaces the idea that they exploited subtle variations in the Earth’s magnetic field to navigate.

‘This is important because it is the first time that magnetic sensing and smell have been tested side by side,’ said Anna Gagliardo, of the University of Pisa, who led the research.

The discovery that birds have an olfactory positioning system is the latest surprising discovery about bird migration. Birds know exactly when to binge on berries or insects to fatten themselves for long flights, and some species recognise constellations, which helps them to fly at night. Birds also travel immense distances: the average Manx shearwater travels five million miles during its life.

Research into navigation has included an experiment in which robins were released with a patch over one eye – some on the right eye, some on the left. The left-eye-patched robins navigated well, but those with right-eye patches got hopelessly lost. ‘It is a very strange finding,’ said Graham Appleton, of the British Trust for Ornithology . ‘It is clear the cues robins use to navigate are only detectable in one eye. Why that should be the case, I have no idea.’

In the Pisa experiments, Gagliardo, working with Martin Wild of the University of Auckland , followed up experiments done in 2004, which showed that pigeons could detect magnetic fields. She argued that this did not mean they actually did.

So in 24 young homing pigeons she cut the nerves that carried olfactory signals to their brains. In another 24 pigeons she cut the trigeminal nerve, which is linked to the part of the brain involved in detecting magnetic fields.

The 48 birds were released 30 miles from their loft. All but one of those deprived of their ability to detect magnetic fields were home within 24 hours, indicating that it was not an ability that helped them to navigate. But those who had been deprived of their sense of smell fluttered all over the skies of northern Italy. Only four made it home.

Gagliardo and her team conclude that pigeons read the landscape as a patchwork of odours.

Every spring, hundreds of millions of birds head north in order to exploit new resources. Gulls head to the Arctic to make use of the 24 hours of daylight prevailing there, while swallows and other birds leave Africa to exploit the British summertime.

The navigation involved in these long journeys is still a cause of considerable debate among scientists. Among the main theories are suggestions that some birds remember visual maps of the terrain they fly over; that they follow the lines of Earth’s magnetic field; and that night-time flyers remember star maps of the sky.

However, the discovery of pigeons’ prowess at exploiting smells is considered important because their navigational abilities are some of the most acute in the natural world. Pigeons excel at getting home when released in unfamiliar locations. That they achieve such accuracy using smell is all the more surprising.

(From: http://www.guardian.co.uk/science/2006/aug/06/theobserver.theobserversuknewspages)

How does Elmo know who is male and who is female? This is the question that plagues my mind. If we have a male visitor come round to see us, Elmo is very happy and shows off. If we have a female visitor come round, Elmo will attack her at some point to warn her not to come too close. But how in the world does he know who’s female and who’s male? I just cannot understand it. Do we give off different smells? Colours? Is he noticing the fact that human females have breasts and human males don’t? Is it the length of our hair? Is it the voice difference? … Maybe it is a certain aura we emit that pigeons can see? Or maybe Elmo is just that clever that he can tell the difference – just like humans can tell the difference – since Elmo thinks he’s a person. I wish I could ask him because it seems so amazing that Elmo can tell the difference. What a clever boy! :)

Ps. I did ponder this question a while back in Gay pigeon.

  1. the way they dance,
  2. the way they coo,
  3. the softness of their feathers,
  4. their smell,
  5. their amazing feet (the scales and delicate nails),
  6. the beautiful colours they come in,
  7. their loving nature,
  8. their feistiness,
  9. the way they enjoy bathing and sunbathing,
  10. and their amazing resilient character.

There are so many more reasons and things we love about pigeons, and I’m sure I’ll be adding another list later.

What about you? What do you love about pigeons?