Female redback spiders are notorious for cannibalizing their mates and even their own offspring.
Female Surinam toads have a unique method of reproduction. They embed their fertilized eggs into their back, where they develop into tadpoles.
Hammerhead sharks are known to engage in intrauterine cannibalism, where the largest embryos consume their smaller siblings within the womb.
Brown-headed cowbirds are brood parasites, meaning they lay their eggs in the nests of other bird species.
Female European moles are not known for their nurturing behavior. They dig elaborate tunnel systems, creating nurseries for their young, but once the offspring are weaned,
Female Australian lungfish lay large clutches of eggs, but their parental care ends there.
Female brown bears are protective of their cubs, but they can also be aggressive towards them. When a mother bear wants to mate again,
Female green lacewings deposit their eggs on long stalks attached to plants. This unique method serves as protection against cannibalism.