No. A small dog like a chihuahua has a much smaller brain than for instance a collie who is a much larger dog. Brain size does not necessarily have anything to do with intelligence though as both of the aforementioned breeds are relatively intelligent breeds.
Compared to, say, a human? Sure, a dog's brain is smaller than a human's. But then, a human's brain is smaller than a whale's brain, so it's all relative. If you mean 'are dogs stupid,' then it depends on the breed. Some breeds (like Afghan hounds) are rather notoriously dumb, while others, like Pembroke Welsh Corgis and Border Collies, are incredibly intelligent. Also size doesn't necessarily matter the elephant has the same mass as our brain but yet it's larger in size because ours is more compact then theirs.
Dogs do have brains, but they do act pretty silly sometimes. This isn't because of lack of a brain (without a brain, a dog would die), but is because of the way their brains work.
Dogs' comprehension ability is greater than we think
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Yes dogs have brains. All animals do.
Of course, all animals have a brain. :)
No, you absolute idiot!
yes they are
No
Not exactly but I suppose try are all a similar size at adulthood
all dogs have the same size heart, that is why larger dogs live shorter than smaller dogs
No, they do not, they have separate brains and therefore each has it's own reflex timing.
No Not All Brains Weigh The Same.Newborns Have Undeveloped Brains That Are About 1-2 Pounds. When The Brains Are Fuly Developed They Are About 3-5 Pounds.
All dogs from the Moloser family has the same size and dogs don't have fangs they have solid k9s.
With a heart the same as you do... same as all mammals do.
not all dogs grow to be the same size...so there is really not one answer for this question.
all dogs bark unfortunatley
because of the evolution, it is a nature process of all beings.
I don't believe so. The little ones have little hearts, and the bigger ones have bigger hearts, but they can love you a lot all the same. <3