However, our results show that complete brood failure and partial brood loss are typically caused by different processes. Or like some of my neighbors say maybe something is gonna happen ,I do not know but the climate change might make a difference. Dana Wilde: The decline of the birds. The sudden abandonment of an entire colony this large—recent nesting populations have ranged from 2,000 to 15,000 birds each year—is alarming, biologists say, because many birds return each year to the same nesting sites. Complete brood loss was almost always associated with the sudden disappearance (presumably death) of a parent, whereas most cases of partial brood loss were caused by other factors. The sudden disappearance of these protected rare birds shows that current legislation is not sufficient. Duncan Orr-Ewing RSPB Scotland and Police Scotland have appealed for information on both cases. Dana Wilde: The decline of the birds. Can somebody pick it up?” Between the telephone calls, regular mail, and e-mail, we get about 500 bird questions a year here at Bird Watcher's Digest. Here’s a … Read More "Why your feeder birds sometimes seem to disappear" 10. Bird populations are being decimated worldwide, including 19 percent of Maine species, largely because of habitat degradation, writes Dana Wilde. I live in western Massachusettes.I just wish they come back .PS: I notice when it … Why aren't there any birds at my feeder? If the birds do not return next year, it could affect their numbers—and mean the loss of a critical island refuge. “There's a bird question on line one. A common topic of conversation when we’re talking to customers in early autumn; ‘Where have all my birds gone?’ We get similar questions throughout the year (summarised at the foot of this article) but the main topic today is the apparent absence of birds from our gardens from mid-September to late autumn. "The sudden disappearance of these protected rare birds shows that current legislation is not sufficient." but now in Dec. no small birds and also I have notice I have squirrels but no bunnies either I wonder if it has to do with the climate change. But this summer 2018 I havn’t really seen may small birds. Here, culled from our mail piles and question files over the years, are ten of the most frequently asked backyard bird questions. In the column “Since You Asked” in every issue of BirdWatching, Contributing Editor Julie Craves answers readers’ questions about birds and bird behavior. Bird populations are being decimated worldwide, including 19 percent of Maine species, largely because of habitat degradation, writes Dana Wilde. A burning topic as so many conservationists, bird lovers across the earth are eager to know what happened exactly!!!!