"Canada Geese are protected under the Federal Migratory Bird Act of 1918 . This Act makes it illegal to harm or injure a goose and damage or move its eggs and nest, without a Federal permit. Not complying with the Federal Act can result in fines ranging from $5,000 to $10,000 and this also applies to an untrained dogs actions.. "
http://www.fws.gov/laws/lawsdigest/migtrea.html
Sec. 703. Taking, killing, or possessing migratory birds unlawful
-STATUTE-
(a) In general
Unless and except as permitted by regulations made as hereinafter
provided in this subchapter, it shall be unlawful at any time, by
any means or in any manner, to pursue, hunt, take, capture, kill,
attempt to take, capture, or kill, possess, offer for sale, sell,
offer to barter, barter, offer to purchase, purchase, deliver for
shipment, ship, export, import, cause to be shipped, exported, or
imported, deliver for transportation, transport or cause to be
transported, carry or cause to be carried, or receive for shipment,
transportation, carriage, or export, any migratory bird, any part,
nest, or eggs of any such bird, or any product, whether or not
manufactured, which consists, or is composed in whole or part, of
any such bird or any part, nest, or egg thereof, included in the
terms of the conventions between the United States and Great
Britain for the protection of migratory birds concluded August 16,
1916 (39 Stat. 1702), the United States and the United Mexican
States for the protection of migratory birds and game mammals
concluded February 7, 1936, the United States and the Government of
Japan for the protection of migratory birds and birds in danger of
extinction, and their environment concluded March 4, 1972 (!1) and
the convention between the United States and the Union of Soviet
Socialist Republics for the conservation of migratory birds and
their environments concluded November 19, 1976.