Two pieces of news about animals and one word: lifespan.

Today, among many other stories, The Times published two pieces of news about animals, one about genetic manipulation and how it might help developments on ageing research. The other is about sexual abstinence and how it makes some birds more attractive.

In both of them, the word "lifespan" is used. Read the articles to see how and to find which of them was done by a Spanish University. Can you guess?