A "one effect of robins breeding grounds" early is frozen baby robins....if that's what your weird grammar is asking.
Black robins typically breed once a year, although they may have the opportunity for a second breeding if conditions are favorable. Their breeding season generally coincides with the availability of food resources, which can vary based on environmental conditions. Nesting usually occurs in spring, and they can raise one to three chicks per brood.
no only in the spring
Robins typically have babies in the spring, usually between April and July.
The life of a robin typically involves building nests, mating, raising young, and foraging for food like insects, fruits, and berries. Robins are known for their beautiful song, territorial behavior, and their ability to adapt to various habitats, making them common sights in gardens and parks. They migrate to warmer areas in the winter and return to their breeding grounds in the spring.
no you dont
Summer and spring.
usually winter, but they do seem to pop up in the winter-European Robins (Erithacus rubecula) American Robins, always come out during the start of spring.
Actually, they aren't. They may look that way because it may be cool in the spring, and they fluff their feathers to trap heat, making them look fat. They probably weigh less in the spring because of short winter food supplies.
none
none
Usually in Spring
In spring, robins mainly nest and eat search for food. They eat mostly insects, berries from vines and bushes and more. That is what birds do in the spring.