He established very successful aviaries twice in his life, stocked with birds from around the world, including those that he obtained on expeditions to Southeast Asia, Africa and South America.

He attended schools in Paris where he spent time in the natural history museum and received a doctorate in biology from the Université Lille Nord de France.

[5][6][7][8][9] Perhaps my bitter experience may serve as an object lesson to those who hold material possessions in too great esteem and to remind others that nothing in life should be regarded as permanent.

Erwin Stresemann, a good friend and admirer of Delacour heard of the fate of the zoo and attempted to ensure the safety of the remaining animals through the Wehrmacht.

Delacour meanwhile fled through Casablanca, Rabat, Tangier and Lisbon, reaching New York City on Christmas Day 1940.

Delacour spent his winters in the United States, mainly in Los Angeles where he served from 1952 to 1960 as the director of the County Museum of History, Science and Art.

[21] Oreoglanis delacouri is a species of catfish in the family Sisoridae found in Laos and China[22] Apart from many papers in the ornithological literature, particularly in the Avicultural Magazine, Delacour wrote or cowrote several books including: