scholarly journals The American Coot (Fulica americana) on the Hanford Site Part 1: Nesting Biology

1979 ◽  
Author(s):  
R. E. Fitzner ◽  
R. G. Schreckhise
2002 ◽  
Author(s):  
I. Lehr Brisbin ◽  
H. Douglas Pratt ◽  
Thomas B. Mowbray

2002 ◽  
Author(s):  
I. Lehr Brisbin Jr. ◽  
Thomas B. Mowbray

1981 ◽  
Vol 59 (10) ◽  
pp. 1921-1928 ◽  
Author(s):  
Susan E. Cosens

Vocal development was followed in laboratory-reared American Coots (Fulica americana). Four call types were observed in young chicks: twitter, wit-ou, squawk, and yeow. During the first month all calls showed changes in pitch. Call duration showed no change in the twitter and yeow calls, but showed an increase in both the wit-ou and squawk calls. Twitters were dropped from the repertoire after 30 days of age, whereas yeow calls were dropped after about 2 months of age. When approximately 2 months old, juveniles used three calls, one derived from the squawk, and two derived from the wit-ou. Sexual dimorphism also developed when birds were about 2 months old. By 3 months of age, juvenile calls resembled those of adult coots.


1989 ◽  
Vol 9 (2) ◽  
pp. 105-115 ◽  
Author(s):  
C.M. Potter ◽  
I.L. Brisbin ◽  
S.G. McDowell ◽  
F.W. Whicker

Zootaxa ◽  
2019 ◽  
Vol 4668 (2) ◽  
pp. 296-300
Author(s):  
CARMEN CABALLERO-VIÑAS ◽  
PETRA SÁNCHEZ-NAVA ◽  
GUILLERMO SALGADO-MALDONADO

Polymorphus trochus Van Cleave, 1945, is an acanthocephalan with limited distribution to the Americas and a common parasite of birds of the Rallidae family (Kinsella et al. 1973, McDonald 1988 and Amin 1992), mainly of the American coot Fulica americana Gmelin, 1789; however, despite existing records of this species, the knowledge and descriptions of its morphological characteristics are not sufficient. Therefore, the identification of this species can be confusing, particularly because it depends on the form of the proboscis of the female. Van Cleave (1945) provided a description and illustrations of this species based on 14 females and 2 males specimens collected in the intestine of F. americana from Lake Buckeye in Ohio, Lake Oneida in New York, and the Illinois River in Illinois; however, this description does not mention many traits that are taxonomically important. Years later, Nickol (1966, thesis not published) provided a description of P. trochus based on 36 mature specimens (14 females and 22 male) from Louisiana, but the author illustrated only the proboscis and included a schematic of the female. He described the shape and size of the proboscis in both sexes, provided measurements of the apical, middle and basal hooks of the proboscis armor, and measurements of the eggs. However, he did not mention the exact distribution of the hooks and spines of the trunk, the measurement of a complete row of hooks nor the shape of all the sexual organs, especially the female ones, which are important taxonomic characteristics in the polymorphids. 


The Auk ◽  
2010 ◽  
Vol 127 (3) ◽  
pp. 653-659 ◽  
Author(s):  
Courtney L. Amundson ◽  
Todd W. Arnold

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