i've lived with birds (parakeets, cockatiels, an african grey, and a cockatoo since i was 20). yes, my experience has been all hookbills, but i whistle really well, and often freak out the local birds from our second story window. cardinals, robins, blue jays, finches, and blue footed boobies in my neighborbood by imitating their call.
our giant apple tree has two nests in it every year.
A true lover of nature does not despair now that his mistress has turned a colder cheek.