Rolf Nussbaumer / Northern Cardinal (Cardinalis cardinalis), adult male perched on icy branch of Possum Haw Holly (Ilex decidua) with berries, Hill Country, Texas, USA. February
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Rolf Nussbaumer / Northern Cardinal (Cardinalis cardinalis), adult male perched on icy branch of Possum Haw Holly (Ilex decidua) with berries, Hill Country, Texas, USA. February
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Rolf Nussbaumer / Northern Cardinal (Cardinalis cardinalis), adult female eating Elbow bush (Forestiera pubescens) berries, Hill Country, Texas, USA. May
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Rolf Nussbaumer / Northern Cardinal (Cardinalis cardinalis), male eating Elbow bush (Forestiera pubescens) berries, Rio Grande Valley, South Texas, Texas, USA. May
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Rolf Nussbaumer / Chipping Sparrow (Spizella passerina), adult perched on icy branch of Christmas cholla (Cylindropuntia leptocaulis), Hill Country, Texas, USA. January
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Rolf Nussbaumer / Chipping Sparrow (Spizella passerina), adult perched on icy branch of Christmas cholla (Cylindropuntia leptocaulis), Hill Country, Texas, USA. January
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Roger Powell / Northern cardinal (Cardinalis cardinalis) male singing over breeding territory, La Chua Trail, Paynes Prairie, Reserve, Gainsville, Florida, USA April
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Mary McDonald / Pyrrhuloxia (Cardinalis sinuatus) at feeding station near pond, Madera Canyon, Arizona, USA, April.
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Mary McDonald / Pyrrhuloxia (Cardinalis sinuatus) in tree near pond, Madera Canyon, Arizona, USA. April.
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Marie Read / Northern cardinal (Cardinalis cardinalis) male (right) feeding his mate in spring as part of courtship/pair formation, termed "allofeeding", New York, USA, May.
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Marie Read / Northern cardinal (Cardinalis cardinalis) male (right) feeding his mate in spring as part of courtship/pair formation, termed "allofeeding", New York, USA, May.
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Marie Read / Northern cardinal (Cardinalis cardinalis) male (right) feeding his mate in spring as part of courtship/pair formation, termed "allofeeding", New York, USA, May.