Lorraine Bennery / Knapweed fritillary butterflies (Melitaea phoebe) on Green winged orchid (Anacamptis morio), Grands Causses Regional Natural Park, France, May.

Alan Murphy/ BIA / Say's Phoebe (Sayornis saya) landing, Texas

Alan Murphy/ BIA / Eastern Phoebe (Sayornis phoebe) feeding on red berries, Texas

Alan Murphy / Say's Phoebe (Sayornis saya) picking off berries in flight, New Mexico

Alan Murphy / Eastern Phoebe (Sayornis phoebe) male with fish prey, Texas

Peter Waechtershaeuser / Say's Phoebe (Sayornis saya), New Mexico

MYN / Lily Kumpe / Knapweed fritillary (Melitaea phoebe) Gorkhi-Terelj National Park, Tuv Province, Mongolia. Meetyourneighbours.net project.

Barry Mansell / Eastern phoebe (Sayornis phoeba) North Florida, USA, October.

Lorraine Bennery / Knapweed fritillary butterfly (Melitaea phoebe) or (Cinclidia phoebe) and Brassy longhorn moth (Nemophora metallica), Var, France, May.

Edwin Giesbers / Knapweed fritillary (Melitaea phoebe) drinking on mineral-rich stream bank; Aosta Valley, Gran Paradiso National Park, Italy.

Edwin Giesbers / Knapweed fritillary (Melitaea phoebe) Aosta Valley, Gran Paradiso National Park, Italy.

Lorraine Bennery / Knapweed fritillary butterfly (Melitaea phoebe) and Marsh fritillary butterfly (Euphydryas aurinia), Luberon Regional Natural Park, France, April.

Lorraine Bennery / Knapweed fritillary butterfly (Melitaea phoebe) or (Cinclidia phoebe), Prealpes d'Azur Regional Natural Park, France, June.

Lorraine Bennery / Knapweed fritillary butterflies (Melitaea phoebe) on Green winged orchid (Anacamptis morio), Grands Causses Regional Natural Park, France, May.

Lorraine Bennery / Knapweed fritillary butterflies (Melitaea phoebe) on Green winged orchid (Anacamptis morio), Grands Causses Regional Natural Park, France, May.

MYN / Paul van Hoof / Knapweed fritillary butterfly (Melitaea phoebe) adult, France, May, Meetyourneighbours.net project

MYN / Paul van Hoof / Knapweed fritillary butterfly (Melitaea phoebe) adult, France, May, Meetyourneighbours.net project

Kim Taylor / Knapweed fritillary (Melitaea phoebe) Bulgaria, July.

Charlie Summers / Say's Phoebe (Sayornis saya) perching a twig, Bosque del Apache, New Mexico, USA, December.

Marie Read / Eastern phoebe (Sayornis phoebe) landing on perch with nesting material in beak, New York, USA, May.

Marie Read / Eastern phoebe (Sayornis phoebe) perched with nesting material in beak, New York, USA, May.

Mark Taylor / RF- Black-and-white Border Collie bitch, Phoebe, and pup, 6 weeks, against white background. (This image may be licensed either as rights managed or royalty free.)

Visuals Unlimited / Black Phoebe (Sayornis nigricans) perched on a branch in the Tandayapa Valley of Ecuador.

Mark Taylor / Cute tabby kitten, Stanley, 6 weeks with Black and white Border Collie bitch, Phoebe. NOT AVAILABLE FOR BOOK USE

Robin Chittenden / Knapweed butterflies (Melitaea phoebe) Bulgaria, September

Marie Read / Black Phoebe (Sayornis nigricans), adult, California, USA, March.

Rolf Nussbaumer / Say's Phoebe (Sayornis saya) perched in on branch, Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Paul Harcourt Davies / Knapweed fritillary butterfly (Melitaea phoebe) Italy

Paul Harcourt Davies / Knapweed fritillary butterfly (Melitaea phoebe) feeding, underwing showing, Italy

David Tipling / Say's Phoebe {Sayornis saya} Bosque del Apache, New Mexico, USA, January

Wild Wonders of Europe / Maitland / Female Knapweed fritillary butterfly (Melitaea phoebe) resting on Pink (Dianthus sp) Mount Baba, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Maitland / Female Knapweed fritillary butterfly (Melitaea phoebe) resting on Pink (Dianthus sp) Mount Baba, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Maitland / Male Knapweed fritillary butterfly (Melitaea phoebe) on Pink (Dianthus sp) in mountain pasture, Mount Baba (1635 m) in Galicica National Park, Galicica National Park, Macedonia, June 2009

Mark Taylor / Black-and-white Border Collie, Phoebe, walking, raising her lame paw.

Mark Taylor / Black-and-white Border Collie, Phoebe, raising her lame paw.

Rolf Nussbaumer / Eastern Phoebe {Sayornis phoebe} adult with insect prey, perched on railing, Texas, USA, April

Rolf Nussbaumer / Eastern Phoebe {Sayornis phoebe} adult collecting nesting material, Hill Country, Texas, USA

Rolf Nussbaumer / Black Phoebe {Sayornis nigricans} Bosque de Paz, Central Valley, Costa Rica

Jane Burton / Border Collie pup Phoebe pulling black and white kitten's tail NOT AVAILABLE FOR BOOK USE

Rolf Nussbaumer / Say's Phoebe (Sayornis saya), Bosque del Apache National Wildlife Refuge, New Mexico, USA. December 2003

Rolf Nussbaumer / Say's Phoebe (Sayornis saya) Big Bend National Park, Texas, USA. April 2001

Rolf Nussbaumer / Eastern Phoebe (Sayornis phoebe) on blooming Huisache (Acacia farnesiana) Willacy County, Rio Grande Valley, Texas, USA. April 2004

Philippe Clement / Close-up of Knapweed fritillary {Melitaea phoebe} covered in dew on Round-headed rampion {Phyteuma orbiculare} Gran Paradiso NP, Alps, Italy

Philippe Clement / Knapweed fritillary {Melitaea phoebe} covered in dew on Round-headed rampion {Phyteuma orbiculare} Gran Paradiso NP, Alps, Italy

Philippe Clement / Knapweed fritillary {Melitaea phoebe} covered in dew on Round-headed rampion {Phyteuma orbiculare} Gran Paradiso NP, Alps, Italy

Philippe Clement / Knapweed fritillary {Melitaea phoebe} covered in dew on Round-headed rampion {Phyteuma orbiculare} Gran Paradiso NP, Alps, Italy

Tom Vezo / Eastern Phoebe {Sayornis phoebe} profile on branch, Long Island, NY, USA.

Tom Vezo / Eastern Phoebe {Sayornis phoebe} on branch, Long Island, NY, USA.