male cockatiels have very bold, bright orange cheeks. if you don't notice the spot, it is usually a female
It is probably a male, as the males have bright colors and is much more colorful than the female.look at his/her tale to see if there is bars across it, and if it mimics or talks its most likely a malee. but the way you described your cockatiel it sounds like a male with the yellow and red cheeks. :)
Umm some but most they just want sex
Food doesn't make anyone pregnant! Pregnancy is achieved through sex or artificial insemination!! If you want to know what a cockatiel should eat during her pregnancy you should ask a veterinarian.
I can't help you much because I haven't seen your cockatiel. But, you could easily go to the vet and have your bird sexed through a blood test. :)
Same-sex marriage is legal in all US states effective June 26, 2015.
All you have to do is be direct. Its that simple. It may take courage but its the most effective.
16 weeks. But most doctors wait until 21 weeks because the sex of the baby can change.
Aside from abstinence from vaginal sex, the contraceptive implant Nexplanon is the most effective. It has the lowest failure rate, there is no way that patient error can affect how well it works, and it's completely reversible.
What does your gut tell you?
It should be very effective
Birth control is the most effective when you've been on it for 4 weeks and finished your first period. My doctor says 3 months.
You can't test the mother's blood to determine the sex of the fetus, and blood testing wouldn't terribly effective in determining sex even if you're testing the blood of the fetus because most red cells, which make up the majority of cells in blood, have no nuclei. Amniocentesis is, however, extremely effective for this purpose.