Long-billed Dowitcher (image) Wildlife Conservation Society Caption Just hatched Arctic shorebirds, like this long-billed dowitcher above, need to feed on abundant insects to grow and get ready for their southward migration in mid-summer. With earlier and earlier springs, shorebirds and other Arctic birds are challenged to adjust the timing of their breeding to insure that young have abundant resources. Credit Steve Zack Usage Restrictions for one-time use in reporting this story Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.