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EEE can also cause disease in captive birds such as the ring-necked pheasant , emu , quail and ducks . Willows would grow under a canopy of cottonwoods and Jeffrey pines , they say , while deer , bobcats , coyotes and water-loving birds would find their way back to the creek at Mono Lake ’ s edge . She had little prior laboratory experience , but enjoyed the responsibility and fun of taking care of the captive birds . Other tropical gems include the Similan chain , famous for its vibrant indigenous bird species and unusual mammals such as the flying lemur . I will then summarize experimental trials with artificial fruits , microbes , and captive birds that illustrate the nutritional underpinnings of fruit rot ( in the case of microbes ) and fruit choice ( in the case of birds ) . The first birding trail to cross state lines , the Lake Champlain trail loops for 300 miles to 87 birding sites in Vermont and New York . Minnesota 's first birding trail consists of 43 sites spanning more than 200 miles from pine to prairie in the northwestern part of the state-through pine forests , deciduous woodlands , tall grass prairie , aspen parklands , calcareous fens , bogs , and marshes . When combined with calcium gluconate dusting of insects , these improvements were enough to achieve the diet calcium content required for captive birds . Nutrionally balanced diets for captive birds are an elusive goal of bird rehabilitators . The Iowa Turkey Growers Cooperative has found its mark in further processing of meats rather than selling whole birds , and is rapidly expanding its role in luncheon meats for delis and for private-label markets .