Female cockroaches produce egg cases, known as oothecae. Oothecae contain many eggs and are enveloped by a protein substance that gradually hardens into a strong, protective casing. Some cockroach species drop the egg case, while other species carry it until the eggs are ready to hatch. How many ootheca areRead More →
In many species only male birds sing, but in others, both males and females sing. And some birds don’t sing at all. For example, vultures and storks can barely produce any sound – let alone something musical enough that we would call it a song. Why do female songbirds notRead More →
Masculine nouns are used with articles like el or un and have adjectives that end in -o, while female nouns use the articles la or una and have adjectives that end in -a. To know if a noun is masculine or feminine, you should look to see what letter(s) theRead More →
One last thought on this subject, there are rare cases of roosters reportedly also being able to undergo sex reversal — thereby becoming hens and even laying eggs. The cases of rooster to hen sex reversal is so extremely rare that it is not fully understood and is a topicRead More →
You may also observe that her vulva is large, red, or swollen with some bleeding or blood-tinted discharge. Your dog will only bleed for around half of the total cycle, usually 7 to 10 days. Does a dog bleed the whole time in Heat? Some female dogs experience heavy vaginalRead More →
When choosing a good mouser, breed matters least. While certain types of cats, including Maine Coons and American Shorthair cats, are known as good mousers, there is tremendous individual variation within each breed. … If a cat is going to actually kill (or even eat) its prey, that behavior mustRead More →
There is no menopause in dogs, so older female dogs continue to have heat cycles, but they will become further apart and her fertility will decrease. The first phase of a heat cycle lasts an average of nine days. Why did my dog stop going into heat? This condition mayRead More →
The peacock’s tail reaches peak development around age 6 . In fact, mature peacock trains can extend more than 5 feet (1.7 meters) in length . Because of the size boost from the feathers, peacocks are one of the largest flying birds. Do female peacocks fan their tail feathers? FemaleRead More →
When should I spay my female dog? We recommend waiting until your dog is at least over 6 months and likely even older for larger dogs. The benefits are much more pronounced in larger dogs, but there is not a lot of difference for lap dogs. Is it good toRead More →
For as long as horse racing has been around, the idea has always been strong that female horses are inferior to their male counterparts. The vast majority of races are sex divided, composed either entirely of fillies and mares, or male horses. There have been exceptions to this rule, ofRead More →