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INSECTS

Ernest H. Williams

in The Nature Handbook: A Guide to Observing the Great Outdoors

Published in print:
2005
Published Online:
September 2007
ISBN:
9780195179293
eISBN:
9780199790470
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195179293.003.0007
Subject:
Biology, Natural History and Field Guides

This chapter describes a few general features of insects, mating and molting in particular, along with a sample of observations of specific groups. Butterflies and moths are better represented than ... More


PLUMAGES AND MOLT

Ted R. Anderson

in Biology of the Ubiquitous House Sparrow: From Genes to Populations

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195304114
eISBN:
9780199790012
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195304114.003.0005
Subject:
Biology, Ornithology

This chapter describes the plumage of male and female House Sparrows, and discusses the function of sexual dichromism in the species. In particular, sexual selection and the role of male badge size ... More


Genetic and Molecular Mechanisms of Mammalian Photoperiodism

David Hazlerigg

in Photoperiodism: The Biological Calendar

Published in print:
2009
Published Online:
May 2010
ISBN:
9780195335903
eISBN:
9780199775446
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195335903.003.0021
Subject:
Biology, Animal Biology

This chapter considers the challenge of accounting for the mechanisms behind seasonal photoperiodic timing in mammals for two well-defined seasonal responses: reproductive activation and the molting ... More


The Behavioral Ecology of Crustaceans: A Primer in Taxonomy, Morphology, and Biology

Martin Thiel and J. Emmett Duffy

in Evolutionary Ecology of Social and Sexual Systems: Crustaceans as Model Organisms

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195179927
eISBN:
9780199790111
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195179927.003.0001
Subject:
Biology, Aquatic Biology

A key feature of crustaceans important in their social and sexual evolution is the presence of supernumerary appendages that are modified for a variety of functions. Claws are employed in agonistic ... More


Birds in the hand

Andrew Glosler

in Bird Ecology and Conservation: A Handbook of Techniques

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198520863
eISBN:
9780191706189
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198520863.003.0004
Subject:
Biology, Biodiversity / Conservation Biology

This chapter considers all aspects of the trapping, handling, and examination of wild birds for study purposes. It considers welfare, ethical, and legislative issues, and different methods of ... More


Epidermis

A. Schmidt-Rhaesa

in The Evolution of Organ Systems

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198566687
eISBN:
9780191718007
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198566687.003.0004
Subject:
Biology, Evolutionary Biology / Genetics

The epidermis is the external surface of an animal and performs several functions. It is usually a monolayer of cells, but can also be composed of several layers of cells. Epidermal cells are ... More


Molt and Winter Whitening

Carolyn M. King and Roger A. Powell

in The Natural History of Weasels and Stoats: Ecology, Behavior, and Management

Published in print:
2007
Published Online:
April 2010
ISBN:
9780195322712
eISBN:
9780199894239
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195322712.003.0003
Subject:
Biology, Animal Biology

Weasels molt twice a year, by the same process everywhere. This chapter begins by describing the hormonal control of this cycle. In predictably cold climates, the new autumn hair grows out white over ... More


A Red Bird in a Brown Bag: An Introduction to the House Finch

Geoffrey E. Hill

in A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch

Published in print:
2002
Published Online:
April 2010
ISBN:
9780195148480
eISBN:
9780199893683
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148480.003.0002
Subject:
Biology, Ornithology, Evolutionary Biology / Genetics

This chapter introduces the House Finch as a study bird. A bird that was introduced to the eastern U.S. in the mid-20th century, it is most abundant in urbanized areas where it nests in nooks on ... More


A Matter of Condition: The Effects of Environment on Plumage Coloration

Geoffrey E. Hill

in A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch

Published in print:
2002
Published Online:
April 2010
ISBN:
9780195148480
eISBN:
9780199893683
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148480.003.0005
Subject:
Biology, Ornithology, Evolutionary Biology / Genetics

This chapter considers the effects of environmental conditions during molting on the coloration of red plumage in male House Finches. It shows that access to carotenoid pigments during molting have a ... More


Studs, Duds, and Studly Duds: Plumage Coloration, Hormones, and Dominance

Geoffrey E. Hill

in A Red Bird in a Brown Bag: The Function and Evolution of Colorful Plumage in the House Finch

Published in print:
2002
Published Online:
April 2010
ISBN:
9780195148480
eISBN:
9780199893683
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148480.003.0008
Subject:
Biology, Ornithology, Evolutionary Biology / Genetics

This chapter explores the relationship between male plumage color and social status. Experiments show that red feather coloration does not function as a signal of status in either the breeding or ... More


Energy gain and use during animal migration

Nir Sapir, Patrick J. Butler, Anders Hedenström, and Martin Wikelski

in Animal Migration: A Synthesis

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199568994
eISBN:
9780191774676
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199568994.003.0005
Subject:
Biology, Animal Biology

A balance of energy gain and use is needed during migration to safeguard against starvation and to minimize the costs of body mass overloading due to excessive lipid deposition. This chapter ... More


Postbreeding Period

John H. Rappole

in The Avian Migrant: The Biology of Bird Migration

Published in print:
2013
Published Online:
November 2015
ISBN:
9780231146784
eISBN:
9780231518635
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146784.003.0003
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on the postbreeding period in the avian migrant's annual cycle. It first discusses the five principal purposes for the postbreeding period: conduct of the prebasic molt; ... More


Migration to special habitats

Hugh Dingle

in Migration: The Biology of Life on the Move

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199640386
eISBN:
9780191780714
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199640386.003.0010
Subject:
Biology, Animal Biology

Many migrations match life histories to special habitat requirements. One such requirement is that of refuges. Waterfowl are particularly vulnerable during molt, and many migrate to sites offering ... More


Physiology of migration

Hugh Dingle

in Migration: The Biology of Life on the Move

Published in print:
2014
Published Online:
October 2014
ISBN:
9780199640386
eISBN:
9780191780714
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199640386.003.0006
Subject:
Biology, Animal Biology

This chapter considers the physiological basis for migratory activity across organism diversity. One of the keys to timing migration is photoperiod, which allows anticipation of environmental change, ... More


The Crustacean Integument: Structure and Function

Richard M. Dillaman, Robert Roer, Thomas Shafer, and Shannon Modla

in Functional Morphology and Diversity

Published in print:
2013
Published Online:
May 2015
ISBN:
9780195398038
eISBN:
9780190267780
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780195398038.003.0005
Subject:
Biology, Animal Biology

The dorsobranchial exoskeleton of decapods has served as the archetype for studies of the structure and formation of crustacean cuticle. This cuticle consists of four layers: the epi-, exo-, and ... More


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