greylag

简明释义

英[ˈɡreɪˌlæɡ]美[ˈɡreɪlæɡ]

n. 灰雁

英英释义

单词用法

同义词

反义词

例句

1.Study on photoperiodic regulation of reproductive seasonality of Guandong greylag geese;

研究了光照对马岗鹅季节性繁殖活动和内分泌的调控。

2.Study on photoperiodic regulation of reproductive seasonality of Guandong greylag geese;

研究了光照对马岗鹅季节性繁殖活动和内分泌的调控。

3.Study on photoperiodic regulation of reproductive seasonality of Guangdong greylag geese.

研究了光照对广东灰鹅季节性繁殖活动和内分泌的调控。

4.The greylag 灰雁 is commonly found in wetlands across Europe.

这种灰雁在欧洲的湿地中很常见。

5.During migration, the greylag 灰雁 can travel thousands of kilometers.

在迁徙期间，灰雁可以飞行数千公里。

6.Birdwatchers often spot the greylag 灰雁 near lakes and rivers.

鸟类观察者常常在湖泊和河流附近看到灰雁。

7.The greylag 灰雁 has a distinctive honking call that can be heard from afar.

这种灰雁有一种独特的叫声，可以从远处听到。

8.In spring, the greylag 灰雁 returns to its breeding grounds.

在春天，灰雁会返回繁殖地。

作文

The world of wildlife is filled with fascinating creatures, each playing a unique role in their respective ecosystems. One such bird that captures the attention of many nature enthusiasts is the greylag goose. Known for its distinctive gray plumage and pinkish-orange bill, the greylag is a species that holds significant importance in both ecological and cultural contexts. This essay will explore the characteristics, habitat, and behavior of the greylag, as well as its relevance to humans and the environment. Firstly, the greylag goose (Anser anser) is easily identifiable due to its robust body and long neck. Adult greylags typically weigh between 3 to 4.5 kilograms and measure about 75 to 90 centimeters in length. Their feathers are predominantly gray, which provides excellent camouflage against the backdrop of their natural habitats. The greylag is also known for its loud honking calls, which can often be heard echoing across wetlands and grasslands. In terms of habitat, the greylag goose is highly adaptable. They can be found in a variety of environments, including freshwater lakes, rivers, marshes, and even agricultural fields. During the breeding season, which usually occurs from March to June, greylags prefer to nest near water sources, where they can easily access food and protect their young from potential predators. These geese are herbivores, primarily feeding on grasses, seeds, and aquatic plants, making them vital players in the maintenance of their ecosystems. Behaviorally, the greylag exhibits interesting social dynamics. They are known to form strong pair bonds and often mate for life. During the breeding season, both parents take an active role in raising their goslings, teaching them how to forage for food and evade danger. The family unit is crucial for the survival of the young, as they rely on the guidance of their parents during their vulnerable early stages of life. Moreover, the greylag goose has a rich cultural significance. In many regions, these birds are associated with folklore and tradition. For example, in some European cultures, the greylag is celebrated during harvest festivals, symbolizing abundance and fertility. Additionally, they are often featured in art and literature, serving as a reminder of the beauty and complexity of nature. However, the greylag also faces challenges in the modern world. Habitat loss due to urban development and agricultural expansion poses a significant threat to their populations. Climate change further exacerbates these issues, impacting their migratory patterns and breeding success. Conservation efforts are essential to ensure that future generations can continue to appreciate the greylag and its role in the ecosystem. In conclusion, the greylag goose is more than just a common bird; it is a vital component of our natural world. Its unique characteristics, adaptability, and cultural significance make it a subject of interest for both ecologists and the general public. By understanding and protecting the greylag, we not only preserve a species but also contribute to the health of our ecosystems. As stewards of the environment, we must recognize the importance of all creatures, big and small, in maintaining the delicate balance of nature.

野生动物的世界充满了迷人的生物，每种生物在各自的生态系统中扮演着独特的角色。其中一种吸引许多自然爱好者注意的鸟类是灰雁。这种鸟以其独特的灰色羽毛和粉橙色的喙而闻名，灰雁是一种在生态和文化背景中都具有重要意义的物种。本文将探讨灰雁的特征、栖息地和行为，以及它与人类和环境的相关性。 首先，灰雁（Anser anser）因其健壮的身体和长颈而容易识别。成年灰雁通常体重在3到4.5公斤之间，长度约为75到90厘米。它们的羽毛主要是灰色的，这为它们提供了出色的伪装，能够很好地融入自然栖息地。灰雁以其响亮的叫声而闻名，常常在湿地和草原上回荡。 在栖息地方面，灰雁非常适应多种环境。它们可以在淡水湖、河流、沼泽甚至农田中找到。在繁殖季节，通常从3月到6月，灰雁喜欢在水源附近筑巢，在那里它们可以轻松获取食物并保护幼雏免受潜在捕食者的侵害。这些雁类是草食动物，主要以草、种子和水生植物为食，使它们在维护生态系统中发挥着重要作用。 在行为方面，灰雁表现出有趣的社会动态。它们以形成强烈的配偶关系而闻名，通常终身配对。在繁殖季节，双方父母在抚养幼雏方面都发挥着积极作用，教导它们如何觅食和躲避危险。家庭单位对幼雏的生存至关重要，因为它们在脆弱的早期阶段依赖父母的指导。 此外，灰雁在文化上也具有丰富的意义。在许多地区，这些鸟与民间传说和传统相关联。例如，在一些欧洲文化中，灰雁在丰收节期间受到庆祝，象征着丰盈和繁荣。此外，它们常常出现在艺术和文学中，提醒人们自然的美丽和复杂性。 然而，灰雁在现代世界中也面临挑战。由于城市发展和农业扩张，栖息地的丧失对它们的种群构成了重大威胁。气候变化进一步加剧了这些问题，影响了它们的迁徙模式和繁殖成功率。保护工作对于确保未来世代能够继续欣赏灰雁及其在生态系统中的作用至关重要。 总之，灰雁不仅仅是一种普通的鸟类；它是我们自然世界的重要组成部分。其独特的特征、适应能力和文化意义使它成为生态学家和公众的研究对象。通过理解和保护灰雁，我们不仅保留了一种物种，还为我们生态系统的健康做出了贡献。作为环境的管理者，我们必须认识到所有生物，无论大小，在维持自然微妙平衡中的重要性。