Αποτελέσματα Αναζήτησης
Egg capsules (also called cocoons) are glossy black ovoids. Their size can vary from 2.5 to 8.5 mm in length and 2.4 to 6.0 mm width. The egg capsules contain about 4-5 juveniles and milky white fluid. The chitinous casing is thin and plastic-looking. Empty and collapsed egg capsules are also commonly seen. The ventral surface of the flatworm ...
1 Αυγ 2011 · Alien eggs in duck nests: brood parasitism or a help from Grandma? Analysis of seven polymorphic autosomal microsatellites in two eider duck colonies indicate that relatedness between host and parasitizing females is significantly higher than the background relatedness within the colony.
Molecular identification of brood‐parasitic females reveals an opportunistic reproductive tactic in ruddy ducks
29 Ιουν 2011 · Some birds lay their eggs in the nests of other birds of their own species. This practice, known as brood parasitism, foists the burden of parenthood onto other birds, who unwittingly devote...
Free alien egg patterns in a variety of formats including images, vector files, and printable versions. Use the templates for crafting, cutting machines, and more.
3 Αυγ 2023 · To tell if a duck egg is alive, place it in your hand and see if it moves, which is a sign the embryo is still alive. Additionally, inspect the egg for cracks or dents, since embryos inside damaged eggs are usually dead.
20 Ιουν 2011 · Europe PMC is an archive of life sciences journal literature.