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Ghalambor and Martin 2001
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Figure 12.2 Parental care is provided by females in the Membracinae
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Figure 12.5 Parental care costs female St. Peter’s fish more than it costs males
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Figure 12.6 Male water bugs provide uniparental care
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Figure 12.7 Evolution of brood care by males in the Nepoidea
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Brown and Wilson 1992
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Scott 1998
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Figure 12.12 Male baboons intervene on behalf of their own offspring when young baboons start fighting with one another
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Yamazaki et al. 2000
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Wedekind et al 1995
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Figure 12.10 Call distinctiveness facilitates offspring recognition by parents
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Figure 12.13 Why seek adoptive parents?
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Figure 12.14 Specialized brood parasitism by cuckoos has evolved three times
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Figure 12.15 Evolution of brood parasitism among cowbirds
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Figure 12.16 Widowbirds parasitize closely related species
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Figure 12.17 The size of an experimental “brood parasite” nestling relative to its host species determines its survival chances
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Figure 12.18 The transition to obligate parasitism was probably abrupt in most groups of birds
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Figure 12.19 The probability that a female prothonotary warbler will nest again in her territory is a function of the number of potential nest sites in her territory
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Figure 12.20 Egg removal by a cuckoo
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Figure 12.21 The mafia hypothesis as tested with parasitic cowbirds and prothonotary warblers
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Figure 12.22 A product of an evolutionary arms race?
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Figure 12.23 Adjustment of investment in sons and daughters by the red mason bee Osmia rufa
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Figure 12.24 Discriminating parental care by the burying beetle Nicrophorus vespilloides
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Trumbo and Fernandez 1995
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Figure 12.25 Sibling aggression in the great egret
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Mock 1990
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Ploger and Mock 1986 http://www.birdsasart.com/231/cattle%20egret%20feeding%20chick.jpg
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Schwabl et al. 1997 (cattle egrets)
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Mock and Ploger 1987
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Figure 12.27 Parent boobies can control siblicide to some extent
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Figure 12.29 The color of the mouth gape affects the amount of food that nestling barn swallows are given by their parents
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