Search results
Results from the WOW.Com Content Network
A weanling horse is a foal that has been weaned, usually between four and six months old. Once it is a year old, the horse is referred to as a yearling. Weanlings are separated from their dam and often grouped with other weanlings to keep each other company. Weaning is a very stressful time for a foal. [4] [5]: 231
Female birds are able to produce more of a certain gender of birds that are more likely to survive under extreme conditions. In birds, the females' egg determines the gender of the offspring, not the male's sperm. In zebra finches, a study showed the effect of food on gender ratio production. For females, egg production is a metabolically ...
A female northern cardinal (Cardinalis cardinalis) feeding her baby. Birds belong to a class of vertebrates that are oviparous and exhibit extensive parental behaviors. These behaviors are called brooding behaviors which include the incubation of the unhatched eggs and the care of the chicks after they have hatched. [ 5 ]
Weaning in horses usually takes place when the foal is 4 to 5 months old, [30] as by this point the foal no longer needs nutrients beyond what the mare offers. [31] Prior to weaning the foal, there is usually a creep feeder set up to allow the foal to begin consuming feed that the mare cannot access. [ 31 ]
Vocal Bird anatomy: Birds produce sounds through the air that passes through the Syrinx, which is shown close up in the bottom right. In order for birds to produce sound, they use an organ located above the lungs called the syrinx , which is composed of tracheal rings, syringeal muscles, Tympaniform membrane, and internal bony structures that ...
Registered nurse and lactation consultant Hillary Sadler shares 9 tips for moms on when to wean baby off breast.
The female blue-footed booby lays two or three eggs, about four to five days apart. Both male and female take turns incubating the eggs, while the nonsitting bird keeps watch. Since the blue-footed booby does not have a brooding patch, it uses its feet to keep the eggs warm. The incubation period is 41–45 days. Usually, one or two chicks are ...
Horses mate in spring and summer; autumn is a transition time, and anestrus occurs during winter. A feature of the fertility cycle of horses and other large herd animals is that it is usually affected by the seasons. The number of hours daily that light enters the eye of the animal affects the brain, which governs the release of certain ...