Covering a budgerigar at night is not necessary, as they are able to regulate their own body temperature and do not require additional warmth. In fact, covering them can cause stress and discomfort, as they are naturally active during dawn and dusk. It is important to provide a quiet and dark environment for them to sleep, but covering them is not essential. It is best to observe your budgerigar's behavior and adjust their sleeping environment accordingly. **

Old budgerigar books are often considered better because they were written by experienced breeders and enthusiasts who had firsthand knowledge of the birds. These books often contain detailed information on budgerigar care, breeding, and genetics, as well as practical tips and advice based on years of experience. Additionally, older books may offer a more traditional and comprehensive approach to budgerigar keeping, focusing on the birds' natural behaviors and needs. Finally, some people appreciate the nostalgic and historical value of old budgerigar books, as they provide a window into the early days of budgerigar breeding and keeping. **

It is difficult to determine whether the budgerigar is real or a result of photo editing without more context or information. Factors such as lighting, shadows, and the overall quality of the image can provide clues to help determine its authenticity. Additionally, examining the details of the budgerigar, such as its feathers and eyes, can also help in making a more informed judgment. **

Covering the budgerigar cage with a blanket can help create a sense of security and privacy for the birds, especially at night when they need to rest. It can also help regulate the light exposure, ensuring they get enough darkness for proper sleep. However, it is important to ensure proper ventilation and not completely block out all light as budgerigars need some natural light during the day for their well-being. Ultimately, it is a personal choice based on the individual needs and preferences of the birds. **

Determining the sex of a budgerigar can be challenging without a DNA test or observing specific behaviors. However, there are some general physical characteristics that can help differentiate between male and female budgerigars. Male budgerigars typically have a blue cere (the fleshy area above the beak), while females have a brown or white cere. Additionally, males tend to have a more vibrant coloration and may exhibit more vocal and active behaviors compared to females. **

To determine if a budgerigar is a hen or a cock, you would need to look at the bird's cere, which is the fleshy area above its beak where the nostrils are located. In adult budgerigars, males typically have a blue or purplish cere, while females have a brown or beige cere. By examining the color of the cere, you can determine if the budgerigar is a hen (female) or a cock (male). **

It is difficult to determine whether the budgerigar is real or a result of photo editing without further context or information. Factors such as lighting, angles, and image quality can affect the appearance of the bird in a photograph. To accurately determine the authenticity of the budgerigar, additional details or a closer examination of the image may be necessary. **

It ultimately depends on your personal preferences and lifestyle. Budgerigars, also known as budgies, are more independent and can be easier to care for, while lovebirds are more social and may require more attention and interaction. Budgies are also known for their ability to mimic sounds and speech, while lovebirds are known for their affectionate and playful nature. Consider your time, space, and commitment level before deciding which bird is the best fit for you. **