Of course, it’s hard to be sure how much of those behaviors is “programmed in” by evolution.
The same sort of people believe that animals see in monochrome (in which case, why waste scarce evolutionary resources on developing, e.g., bright plumage?)
In fairness, some animals do see in monochrome. Others can see into the ultraviolet or have even more exotic senses. I guess these people (who I don’t seem to have encountered, are you sure you’re not generalizing?) are treating all animals as dogs, which isn’t uncommon in fiction.
Not generalising in the least: I’m a man of the people who interacts often with the common man—particularly the rustic and bucolic variety (from the Auvergne in Deepest Darkest France to the dusty hinterland of rural Victora and New South Wales).
Everywhere I’ve ever lived, I’ve had conversations about animals (most of which I’ve initiated, I admit—and most of them before I went veggie), with folks ranging from French eleveurs de boeuf to Melbourne barristers and stock analysts: their lack of awareness of the complexity of animal sense organs (and their ignorance of animal awareness research generally) is astounding.
It may well be that you’ve never met anybody who thinks that all animals see in monochrome—maybe you’re young, maybe you don’t get out much, or maybe you don’t have discussions about animals much. Fortunately, the ‘animals see in black and white’ trope is dying (as bad ideas should), but it’s not dead.
To give you some context: I’m so old that when I went to school we were not allowed to use calculators (mine was the last generation to use trig tables). If you polled people my age (especially outside metropolitan areas) I reckon you would get >50% of them declaring that animals see in “black and white”—that’s certainly my anecdotal experience.
Lastly: what makes you think that dogs see in monochrome? As far as we can tell dogs see the visual spectrum in the same way as a red-green colour-blind human does—they have both rods and cones in their visual apparatus, but with different sensitivities than humans’ (same for cats, but carts lack cones that filter for red).
Of course we are only using “We can do this, and we have these cells” methods to make that call: as with some migratory birds that can ‘see’ magnetic fields, dogs and cats may have senses of which we are not yet aware. Cats certainly act as if they know something we don’t.
Not generalising in the least: I’m a man of the people who interacts often with the common man—particularly the rustic and bucolic variety (from the Auvergne in Deepest Darkest France to the dusty hinterland of rural Victora and New South Wales).
Everywhere I’ve ever lived, I’ve had conversations about animals (most of which I’ve initiated, I admit—and most of them before I went veggie), with folks ranging from French eleveurs de boeuf to Melbourne barristers and stock analysts: their lack of awareness of the complexity of animal sense organs (and their ignorance of animal awareness research generally) is astounding.
Fair enough.
It may well be that you’ve never met anybody who thinks that all animals see in monochrome—maybe you’re young, maybe you don’t get out much, or maybe you don’t have discussions about animals much.
Probably.
Lastly: what makes you think that dogs see in monochrome? As far as we can tell dogs see the visual spectrum in the same way as a red-green colour-blind human does—they have both rods and cones in their visual apparatus, but with different sensitivities than humans’ (same for cats, but carts lack cones that filter for red).
Whoops, you’re right. I was misremembering.
Cats certainly act as if they know something we don’t.
… they do? I have four cats, and I’ve seen them do some pretty stupid things, but nothing that seemed to suggest they have any senses we haven’t discovered yet . What kind of thing did you have in mind?
… they do? I have four cats, and I’ve seen them do some pretty stupid things, but nothing that seemed to suggest they have any senses we haven’t discovered yet . What kind of thing did you have in mind?
Well, I’ve often seen my own cats suddenly go into an alert state, whip their heads around, and stare at nothing in particular, for no reason I could determine. But I’ve always supposed this was a consequence of having hearing outside a human range of frequency and intensity.
Of course, it’s hard to be sure how much of those behaviors is “programmed in” by evolution.
In fairness, some animals do see in monochrome. Others can see into the ultraviolet or have even more exotic senses. I guess these people (who I don’t seem to have encountered, are you sure you’re not generalizing?) are treating all animals as dogs, which isn’t uncommon in fiction.
Not generalising in the least: I’m a man of the people who interacts often with the common man—particularly the rustic and bucolic variety (from the Auvergne in Deepest Darkest France to the dusty hinterland of rural Victora and New South Wales).
Everywhere I’ve ever lived, I’ve had conversations about animals (most of which I’ve initiated, I admit—and most of them before I went veggie), with folks ranging from French eleveurs de boeuf to Melbourne barristers and stock analysts: their lack of awareness of the complexity of animal sense organs (and their ignorance of animal awareness research generally) is astounding.
It may well be that you’ve never met anybody who thinks that all animals see in monochrome—maybe you’re young, maybe you don’t get out much, or maybe you don’t have discussions about animals much. Fortunately, the ‘animals see in black and white’ trope is dying (as bad ideas should), but it’s not dead.
To give you some context: I’m so old that when I went to school we were not allowed to use calculators (mine was the last generation to use trig tables). If you polled people my age (especially outside metropolitan areas) I reckon you would get >50% of them declaring that animals see in “black and white”—that’s certainly my anecdotal experience.
Lastly: what makes you think that dogs see in monochrome? As far as we can tell dogs see the visual spectrum in the same way as a red-green colour-blind human does—they have both rods and cones in their visual apparatus, but with different sensitivities than humans’ (same for cats, but carts lack cones that filter for red).
Of course we are only using “We can do this, and we have these cells” methods to make that call: as with some migratory birds that can ‘see’ magnetic fields, dogs and cats may have senses of which we are not yet aware. Cats certainly act as if they know something we don’t.
Fair enough.
Probably.
Whoops, you’re right. I was misremembering.
… they do? I have four cats, and I’ve seen them do some pretty stupid things, but nothing that seemed to suggest they have any senses we haven’t discovered yet . What kind of thing did you have in mind?
Well, I’ve often seen my own cats suddenly go into an alert state, whip their heads around, and stare at nothing in particular, for no reason I could determine. But I’ve always supposed this was a consequence of having hearing outside a human range of frequency and intensity.