Similarities in expression of territorial aggression in breeding pairs of northern cardinals, Cardinalis cardinalis

2020 ◽  
Vol 38 (3) ◽  
pp. 377-382
Author(s):  
M. Susan DeVries ◽  
Caitlin P. Winters ◽  
Jodie M. Jawor
Keyword(s):  
Cardinalis Cardinalis ◽  
Territorial Aggression ◽  
Northern Cardinals

Snake behavior and seasonal variation in nest survival of northern cardinals Cardinalis cardinalis

2012 ◽  
Vol 43 (6) ◽  
pp. 496-502 ◽  
Author(s):  
Jinelle H. Sperry ◽  
Douglas G. Barron ◽  
Patrick J. Weatherhead
Keyword(s):  
Seasonal Variation ◽  
Nest Survival ◽  
Cardinalis Cardinalis ◽  
Northern Cardinals

Carotenoid-Based Plumage Coloration Predicts Leukocyte Parameters during the Breeding Season in Northern Cardinals (Cardinalis cardinalis)

Ethology ◽  
2008 ◽  
Vol 114 (4) ◽  
pp. 369-380 ◽  
Author(s):  
Donna L. Maney ◽  
Andrew K. Davis ◽  
Christopher T. Goode ◽  
Allison Reid ◽  
Christopher Showalter
Keyword(s):  
Breeding Season ◽  
Plumage Coloration ◽  
Cardinalis Cardinalis ◽  
Northern Cardinals

Relationships among Territory Size, Habitat, Song, and Nesting Success of Northern Cardinals

The Auk ◽  
1986 ◽  
Vol 103 (1) ◽  
pp. 23-31 ◽  
Author(s):  
Richard N. Conner ◽  
Mary E. Anderson ◽  
James G. Dickson
Keyword(s):  
Tree Height ◽  
Ground Level ◽  
Nesting Success ◽  
Territory Size ◽  
Cardinalis Cardinalis ◽  
Young Males ◽  
Song Complexity ◽  
Breeding Seasons ◽  
Northern Cardinals

Abstract We collected data from 30 territories of Northern Cardinals (Cardinalis cardinalis) during 3 breeding seasons (1979-1981) in eastern Texas. Territory size was positively correlated with tree height and negatively correlated with the density of foliage at ground level and at 3 m above the ground, and with the density of shrubs. Nesting success was positively correlated with presence of patchy understory foliage and arthropod biomass in territories. Cardinals with low song complexity and shorter songs held better-quality territories and had better nesting success than cardinals with more complex songs. We suspect that young males may use long, complex songs to establish a territory initially, and in subsequent years put less time and effort into song and more into care and defense of young.

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