I think the comic pretty much sums it up, but here are some relevant links in easy-to-click form:

Information on the Public Comment Period, including how to make said comment by email, snail mail, or hand delivery: http://www.fws.gov/news/ShowNews.cfm?ref=u.s.-fish-and-wildlife-service-solicits-public-input-on-proposed-rule-and-&_ID=36517

How to contact the President, your Senators and Representatives: http://www.usa.gov/elected-officials/

Information on the Migratory Bird Treaty Act of 1918: http://www.fws.gov/birds/policies-and-regulations/laws-legislations/migratory-bird-treaty-act.php

List of Protected Species: http://www.fws.gov/birds/management/managed-species/migratory-bird-treaty-act-protected-species.php

A Seattle Times article on the proposed changes: http://www.seattletimes.com/nation-world/trump-administration-moves-to-ease-rules-against-killing-birds/

Species portrayed: brown pelican (Pelecanus occidentalis), northern flicker (Colaptes auratus), Anna’s hummingbird (Calypte anna), Northern cardinal (Cardinalis cardinalis), red-tailed hawk [feather] (Buteo jamaicensis), American bushtit (Psaltriparus minimus), great blue heron [eggs] (Ardea herodias), mallard  (Anas platyrhynchos), passenger pigeon (Ectopistes migratorius), common grackle (Quiscalus quiscula), eastern bluebird (Sialia sialis), blue jay (Cyanocitta cristata), great egret (Ardea alba), bald eagle (Haliaeetus leucocephalus), American robin (Turdus migratorius)