Search results
Results from the WOW.Com Content Network
Cooperative breeding encompasses a wide variety of group structures, from a breeding pair with helpers that are offspring from a previous season, [2] to groups with multiple breeding males and females (polygynandry) and helpers that are the adult offspring of some but not all of the breeders in the group, [3] to groups in which helpers ...
In 2007, the EPA registered the first product for oral contraception of feral pigeons and other pest birds in the US, called OvoControl P, containing the active ingredient nicarbazin. [ 13 ] www.ovocontrol.com An oral contraceptive was also introduced in 2005 for the control of Canada geese , [ 6 ] but abandoned in 2011 due to regulatory ...
Polyandrous, monogamous, and polygynous groups can be found within the same population, and a group can even change mating systems, making it the most flexible mating system of any non-human primate. [34] Unlike most primates who typically give birth to single young, twins are the average litter size for tamarins and marmosets.
Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Terminology of animal groups also varies among different taxonomic groups. Groups of sheep are termed herds, whilst groups of birds are referred to as colonies, or flocks. Most studies on group living focus strictly on groups comprising a single species. However, many mixed-species groups commonly occur in nature.
The process is called parthenogenesis, from the Greek words for “virgin” and “birth.” Some plants and insects can do it, as well as some amphibians, reptiles , birds and fish.
The amount of social monogamy in animals varies across taxa, with over 90% of birds engaging in social monogamy while only 3–9% of mammals are known to do the same. [6] [29] [30] This list is not complete. Other factors may also contribute to the evolution of social monogamy.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!