Niches Mall

Question by liz the wiz: How can two different species such as the Redwing and Yellowhead in the same habitat have different niches.?
please help me! i need to know.

Best answer:

Answer by colonel_crow
I guess you mean the Red-winged Blackbird and the Yellow-headed Blackbird*…

Red-winged and Yellow-headed Blackbirds set up territories in open marshes. The Redwings arrive earlier in the spring and occupy the entire marsh. When the Yellowheads fly in, they take over the best territories (areas of cattails and other plants in deep water that harbor the richest insect life) and force the Redwings into the shallower, drier, more marginal habitats. The Redwings are able to breed successfully in these areas, however, while the Yellowheads are unable to exploit the less productive sites successfully.

The Yellowheads are bigger, perhaps a result of natural selection favoring the ability to oust Redwings from high-quality areas, perhaps to eat larger seeds in the winter, or perhaps both — or perhaps neither! Many such details remain uncertain, but it is clear that the Redwings have a broader niche than do the Yellowheads. Nevertheless, Yellowheads are better competitors within their own narrow niche, and thus are able to exclude the Redwings from it. Territorial habitat is a scarce resource; the Yellowheads take the richest and the Redwings get the rest.

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Related Niches Products

Question by The Y: What are the different types of feeding niches?
This would be in the subject of biology. If you have any sources that would be nice too.

Best answer:

Answer by david_bowman_sc
every species has its unique feeding niche, but many of those niches overlap, driving competition among and between the species.

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Question by Jazper: What are the different ecological niches?
Do you know any websites on where I could learn about this?

Best answer:

Answer by marmazor
an ecological niche really isnt an area (such as boreal forest for example) but more of a way to show how an organism responds and adapts to the different resources in the area. there are alot of factors that decide which niche an organism or group of organisms occupy, but the competitive exclusion principle says that no two species can occupy the same one. Akk i’m having trouble explaining fully eheh so i’ll leave you some links, hopefully theyll do a better job than i did

http://www.physicalgeography.net/fundamentals/9g.html

http://ghs.gresham.k12.or.us/science/ps/sci/ibbio/ecology/notes/niche.htm

http://io.uwinnipeg.ca/~simmons/ysesp/comeco8.htm

Hope this helps!

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Question by w00t w00t: Are species that occupy different niches likely to compete?
i know the local loss of a species due to competitive exclusion is most likely to occur if two species have niches that are very similar. But what if they have different niches?

Best answer:

Answer by cratertot
if they have two different niches it’s not likely. food and territory are two primary reasons for competition among species. if you remove that from the equation, there’s not much reason to compete.

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