Narrative:

We walked out to aircraft to preflight. I remember seeing some animal boxes. Approximately; 1 hour and 10 minutes later we received dg (dangerous goods) paperwork with only inaccessible hazardous goods onboard (in position 8L we had 1kg of dry ice and 5.66kg of lth ion 1B). After takeoff we climbed to fl 360. First officer (first officer) went in back to use lavatory and heard chickens. He discovered they appeared to be in position 1R. We called ZZZ ramp and let them know the situation. We advised them to call ZZZ1 and advise lives onboard in position 1R. We received an ACARS from operations that we had lives in position 1R. We advised we knew & had told ZZZ ramp to advise them. We ensure temperature in the cargo area was appropriate for the animals. A disconnect somewhere with loading and dg agent. Although I thought I saw live boxes when we went out to the airplane; after 1 hour and 10 minutes on the aircraft completing my pre-flight duties; I totally forgot to ask if lives were onboard. Additionally; the dg agent did not have lives documented on the dg manifest or listed on the dg position summary. We were not briefed that lives were onboard when given the dg manifest & position summary. It was early in the morning for all involved. However; we all could've prevented this with a little more attention to detail and folks backing-up their teammates. I feel we all learned a good lesson from this situation.

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Original NASA ASRS Text

Title: A-300 flight crew reported discovering during cruise receiving erroneous Dangerous Goods documents at departure.

Narrative: We walked out to aircraft to preflight. I remember seeing some animal boxes. Approximately; 1 hour and 10 minutes later we received DG (Dangerous Goods) paperwork with only inaccessible Hazardous Goods onboard (in position 8L we had 1kg of dry ice and 5.66kg of LTH ION 1B). After takeoff we climbed to FL 360. F/O (First Officer) went in back to use lavatory and heard chickens. He discovered they appeared to be in position 1R. We called ZZZ Ramp and let them know the situation. We advised them to call ZZZ1 and advise lives onboard in position 1R. We received an ACARS from Operations that we had lives in position 1R. We advised we knew & had told ZZZ Ramp to advise them. We ensure temperature in the cargo area was appropriate for the animals. A disconnect somewhere with loading and DG Agent. Although I thought I saw live boxes when we went out to the airplane; after 1 hour and 10 minutes on the aircraft completing my pre-flight duties; I totally forgot to ask if lives were onboard. Additionally; the DG agent did not have lives documented on the DG manifest or listed on the DG Position Summary. We were not briefed that lives were onboard when given the DG Manifest & Position Summary. It was early in the morning for all involved. However; we all could've prevented this with a little more attention to detail and folks backing-up their teammates. I feel we all learned a good lesson from this situation.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.