David Pattyn / Pair of Great crested grebes (Podiceps cristatus) performing courtship dance, The Netherlands, Europe. March.

David Pattyn / Pair of Great crested grebes (Podiceps cristatus) courtship dance display, The Netherlands, Europe. March.

Mateusz Piesiak / Great-crested grebe (Podiceps cristatus) pair courtship display, Lower Silesia, Poland.

David Pattyn / Great crested grebe (Podiceps cristatus) with young chicks on the back among Fringed water lilies (Nymphoides peltata) Lake Kerkini, Greece, July.

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young chicks in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands.

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young chick on the back preening in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May. GDT European Wildlife Ph...

David Pattyn / Great crested grebe (Podiceps cristatus) adult grebe shaking chick off its back to go fishing for itself. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult grebe shaking young off its back to go fishing for itself. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young chick next to it in backlight early in the morning. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with chicks on its back in the first morning light. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on the back in the first morning light. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with chicks on its back in the first morning light. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with chicks on its back in the first morning light. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with chicks on its back in the first morning light. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) young playing with a feather next to one of the parents. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult in a heavy summer rainstorm. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird trying to rest with one of its young that keeps begging for food. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with one of its young that keeps begging for food. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird feeding a feather to one of its young. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back, portrait in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chick on its back and one next to it in the water; portrait in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlan...

David Pattyn / Great crested grebe (Podiceps cristatus) parents busy feeding their young with fish, in this case a small Tench (Tinca tinca) Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parents busy feeding their young with fish, in this case a small Tench (Tinca tinca) Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. June

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back, portrait in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with young on its back and one chick on the water, portrait in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. M...

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird feeding fish to to its chicks with the other parent bird, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on its back, portrait in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on the back busy with jockeying for the best position on the back Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) parent bird with chicks on the back while the other parent is feeding the chicks with a fish Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on nthe back busy with jockeiing for the best position on the back Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on its back competing for the best position. Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on the back in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on the back in the first morning light Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with three young on the back hoping to get fed Valkenhorst Nature Reserve, Valkenswaard, The Netherlands. May

David Pattyn / Great crested grebe (Podiceps cristatus) adult with freshly caught fish. Tench (Tinca tinca) to feed to its young chick, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on its back and in the water, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June

David Pattyn / Great crested grebe (Podiceps cristatus) adult with young on its back, Valkenhorst Nature Reserve, Valkenswaard, The Netherlands, June

David Pattyn / Great crested grebe (Podiceps cristatus) adults courting and greeting each other to confirm their bond. Even with the young chicks already out they often show courtship behavior to each other, Valkenh...