1. Your lovebird is not sexually mature. Lovebirds typically reach sexual maturity at around 1 year of age, though this can vary depending on the species. If your lovebird is younger than 1 year old, it is not likely to lay eggs.
2. Your lovebird does not have a mate. Lovebirds are monogamous birds that typically mate for life, and they will not usually lay eggs unless they have a mate. If your lovebird does not have a mate, it will not lay eggs.
3. Your lovebird is experiencing a hormonal imbalance. A hormonal imbalance can cause a lovebird to lay eggs even if it does not have a mate. Hormonal imbalances can be caused by a variety of factors, including stress, diet, and illness.
4. Your lovebird is laying infertile eggs. Infertile eggs are eggs that do not contain an embryo. Lovebirds can lay infertile eggs for a variety of reasons, including nutritional deficiencies, poor health, and old age.
If your lovebird is laying eggs alone, it is important to take it to a veterinarian to rule out any medical problems. Once any medical problems have been ruled out, you can try to encourage your lovebird to lay fertile eggs by providing it with a healthy diet, reducing stress, and giving it a mate.