Synchronization in Incubation

2001/04/02 Imaz Amiano, Eneko - Elhuyar Zientziaren Komunikazioa

• Zoologia

We refer to the synchronization between the incubation time of the birds and their fodder, since the growth of the chickens is expensive and makes the parents spend a lot of energy. Therefore, it is very important to properly synchronize this time with the time of greatest grass. If the availability of food is changed, birds may be in danger of frustration (and any other animal, of course).

The ecologist Jaques Blondel has compiled data on the chitaje of blue amilotx since the 1970s. He has gathered the data in Corsica and Montpellier. In Corsica, the blue amilotx chitan in the holm oaks and a Montpellier oak grove. However, in Montpellier there is a group of blue amilotx that incubates an oak and that are those that have revealed the importance of synchronization. In fact, the amillitas of Corsica do so towards June, when the arts have new, tender leaves. Note that when there are more new leaves is when there is more sand and the worms are the main food of the blue amilotx. In the area of Montpellier, however, the robledales predominate in which most of the amilotx incubate. The robledales are rubbed in May, so the amilotxas of Montpellier chitan three weeks earlier. Also the amilotxas that drown in the oak of Montpellier. Yes, the latter use twice the energy that those of Corsica, as they have seen through studies carried out with isotopes. In short, Montpellier's oaks are also rubbed in June, which means a lack of synchrony between the time of chiteo and the availability of threads associated with the leaves. And that asynchrony would be the cause of greater energy expenditure, since in the absence of new leaves they have less consumption. Therefore, it is evident the importance of synchronizing things well.

However, in nature it is necessary that the small groups of the population do not have this synchrony, since if at some point there was a change in the period of lodging (for example, for the exceptionality of some or some years or for the climate change) there would be birds that resisted it. If the synchrony were complete and the environment conditions changed, the blue amilotx would disappear.