Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) pair in their bright breeding colors, during summer breeding season on coastal cliffs, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) pair perched in lichen covered coastal cliff, summer breeding season, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) portrait of pair perched on lichen-covered coastal cliff, displaying their bright breeding colors, summer, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) adult with many white feathers, rare, in coastal cliff, summer breeding season, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) close-up portrait of adult flapping wings and puffing up chest during summer breeding season, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) close-up portrait showing color of bill which is brightest during the summer breeding season, Newfoundland, Canada

Yva Momatiuk & John Eastcott / Atlantic Puffin (Fratercula arctica) gaping, a behavior used to defend their personal space, summer breeding season, Newfoundland, Canada

Tom Vezo / Atlantic Puffin (Fratercula arctica) flying, Newfoundland, Canada