If you are in the Americas, then it is probably a Mourning Dove. There is a chance that it is an owl, but if you are hearing the sound before sunset and after sun-rise then it is a Mourning Dove. An owl and a Dove don't sound anything a like, but if you write it as text, they both say "who who"
The hoopoe makes a sound that goes 'oop oop oop.' In many cultures, the bird has a similar name because of this particular call they are known for. Hoopoes are birds from the Afro-Eurasian region. They have distinctive feather patterns in their wings and crests, as well as flat dark bills.
I think you are referring to the Black-Capped Chickadee. It is usually a yoo-hoo followed by the traditional "chicka Dee Dee Dee Dee Dee."
bellbirdbell bird
The hoopoe, a bird which can be found in Afro-Eurasia, makes a sound like "oop-oop-oop."
This bird got its name from the sound it makes "keeeweee" the maori thought it sounded like kiwi
A dodo bird makes a sound zub zub and wats up year 9 smk
It sounds very much like "cuckoo" stressed on the first syllable.
A Coel makes coo sound
a pukeko
An owl.
kookook bird
whistles
A Pigeon ends with 'N' and makes a coo sound.
bellbirdbell bird
Pigeon
The sound is caw.
it is "chirp"
A pigeon i think.
A Bellbird