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New Mexico Wildlife "Ladd S. Gordon Waterfowl Complex" (PDF). New Mexico Department of Game & Fish. Archived from the original (PDF) on March 22, 2013; Liddell, Judith; Hussey, Barbara (October 26, 2011). Birding Hot Spots of Central New Mexico. Texas A&M University Press. ISBN 978-1-60344-426-2
In summer the area is hot but many water birds can be found, including such New Mexico rarities as the least bittern and occasionally the little blue heron. Late November to late February is the best time for large numbers of birds, typically over 10,000 sandhill cranes and over 20,000 Ross's and snow geese .
The whooping crane's lifespan is estimated to be 22–24 years in the wild. [3] After being pushed to the brink of extinction, due to unregulated hunting and loss of habitat, and just 21 wild (and two captive) cranes remaining by 1941, conservation efforts would lead to a partial recovery.
A potential crane hunting season, held in fall and with a limited number of permits as required by the U.S. Fish and Wildlife Service, also would not address the largest problem caused by the ...
[33] [34] [35] Additionally, there is a report that even a much smaller peregrine falcon has successfully killed a 3.1 kg (6.8 lb) adult sandhill crane in a stoop. [30] [36] In New Mexico, humans hunt them with a permit granted in a lottery draw during late fall. There are a total of 17 states that allow hunting of Sandhill Cranes.
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Songbirds can be seen in the spring, especially May. In the summer months the refuge is home to many marsh and shorebirds. In the fall there are raptor migrations. Waterfowl concentrations rise in the winter. While some species such as the sandhill crane can number in the thousands, others have been spotted only on rare occasions.
Cranes are threatened by habitat loss, intentional hunting, and the wildlife trade. [1] The Siberian crane , with an estimated population of 3,500–4,000 mature individuals, is considered critically endangered due to the construction of dams that threaten one of its main wintering grounds. [ 4 ]