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  2. Bird intelligence - Wikipedia

    en.wikipedia.org/wiki/Bird_intelligence

    The California scrub jay hides caches of food and will later re-hide food if it was watched by another bird the first time, but only if the bird hiding the food has itself stolen food before from a cache. [72] A male Eurasian jay takes into account which food his bonded partner prefers to eat when feeding her during courtship feeding rituals. [73]

  3. Number sense in animals - Wikipedia

    en.wikipedia.org/wiki/Number_sense_in_animals

    Birds were one of the first animal species tested on their number sense. A raven named Jacob was able to distinguish the number 5 across different tasks in the experiments by Otto Koehler. [ 5 ] Later experiments supported the claim of existence of a number sense in birds, with Alex , a grey parrot, able to label and comprehend labels for sets ...

  4. Nutritional rating systems - Wikipedia

    en.wikipedia.org/wiki/Nutritional_rating_systems

    Nutritional rating systems are used to communicate the nutritional value of food in a more-simplified manner, with a ranking (or rating), than nutrition facts labels. A system may be targeted at a specific audience. Rating systems have been developed by governments, non-profit organizations, private institutions, and companies.

  5. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011.

  6. Organic? Free range? What do food labels actually mean? - AOL

    www.aol.com/organic-free-range-food-labels...

    Government agencies have strict guidelines for food safety and nutrition labels on packaged foods. But other information like sell-by dates or animal welfare labels are less regulated — and some ...

  7. Relative species abundance - Wikipedia

    en.wikipedia.org/wiki/Relative_species_abundance

    When the value of θ is small, the relative species abundance distribution is similar to the geometric series (high dominance). As θ gets larger, the distribution becomes increasingly s-shaped (log-normal) and, as it approaches infinity, the curve becomes flat (the community has infinite diversity and species abundances of one).

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  9. Bird measurement - Wikipedia

    en.wikipedia.org/wiki/Bird_measurement

    Bird measurement or bird biometrics are approaches to quantify the size of birds in scientific studies. The variation in dimensions and weights across birds is one of the fundamental sources of diversity among birds, and even Within species, dimensions may vary across populations within species , between the sexes and depending on age and ...