Penguin Tracking, is it worth it?

Tracking penguins in Antarctica has given us valuable information about global warming and its affect on Antarctica, but its affects on the penguins are great. Penguins with bands have had less chicks and higher death rates than penguins without these bands. These bands somehow have created less energy for the bird to live and reproduce. Scientist have a theory that the bands create extra baggage and more difficulty when it comes to swimming and catching fish which may have increase mortality rates. Many people now argue that banding penguins is not humane to the penguins and we shouldn't band them in the future. Tragically, if we continue to band penguins, their population will decrease, but if we stop banding penguins, we may sacrifice valuable information.