Scientists made an discovery about what plastic is most to seabirds. Australia's Institute for Marine and Antarctic Studies discovered that balloons were . The research said balloons were 32 times to kill seabirds than plastics. They said that while balloons and soft plastics accounted for 5 per cent of plastics ingested, they were for more than 40 per cent of seabird . A researcher said: "Hard plastic fragments may pass through the gut, but soft plastics are more likely to become compacted and cause obstructions."
The study examined 1,733 dead seabirds. Researchers found that over a of the deaths were of plastic, which is becoming an increasing to seabirds. A researcher said: "Marine debris is now a recognized threat....We suggest that reducing the of balloons and balloon fragments in the ocean would directly reduce seabird ." There is 280,000 tons of marine worldwide. The researcher said about half of seabirds eat plastic . Seabirds will swallow balloons because they think they look like .