Female birds can change egg contents based on social status, the qualities of dad, and in response to environmental factors. For example, when population density
Moms can employ a number of strategies to ensure that their young are adequately fed during their first few months of life. Many of these
In addition to manipulating their eggs based on the qualities of dad, bird moms can also alter egg allocation levels based on the social system.
Bottlenose dolphin moms give birth in an open environment. Newborn dolphins remain very close to their mothers for the first few weeks after birth. Echelon
The New World monkeys of Central and South America, tamarins and marmosets, are the main groups of cooperatively breeding primates. These are collectively known as
Milk pretty much picks up where the placenta left off in terms of how a mammalian infant is provisioned by its mom. The most energetically
You may operate under the false impression that once a sperm has met with an egg and created an embryo, the process cannot be paused
Whereas most human females make up their minds to become pregnant outside of the immediate influence of other females in their social group, this is
Hyena societies are matriarchal, which means that females are the socially dominant sex. They live in groups of sexually mature females and their offspring. When
In addition to the varied concentrations of bioactives in mothers’ milk, mothers can also feel varied levels of stress during lactation. This results in varied