00:00Carefully drawn one by one, Mac's 100th animal, completing a collection of his drawings for a very special 100th birthday.
00:08A platysaurus attenboroughgy, but also known as the Attenborough flat-lizant.
00:17Last year, Mac drew 99 animals to mark Sir David Attenborough's 99th birthday.
00:22That's a lot of animals for a five-year-old, and I thought, OK, they did.
00:27It took a lot of paper, a lot of pens, a lot of patience, four days.
00:33Samantha shared the drawings online, and the response was overwhelming,
00:37so much so that Mac's received a letter back from the natural historian himself.
00:41This year, Mac's had to mark the milestone birthday by adding the new drawing and writing another letter.
00:48It says, I hope you have a good birthday.
00:53Be careful of going out all the 100 candles.
00:58Despite a 94-year age gap, Mac's has been a devoted fan since he was a toddler,
01:04watching Sir David Attenborough's documentaries every night before bed.
01:07So today was extra special when the post arrived.
01:11Dear Mac, thank you very much for the 100th birthday card you sent me recently.
01:18It was very kind of you. I have already had so many, so very many cards from children like you.
01:27That's going to have to go with the other one.
01:28Happy but shocked.
01:29Happy but shocked, yeah.
01:31An aspiring zookeeper and explorer, Mac will be celebrating his hero's milestone birthday tomorrow,
01:37wearing a David Attenborough T-shirt and with birthday cake, of course.
01:41Yeah, we're not 100 candles on it.
01:44Otherwise it would have to be a cake about that big.
01:47Yes.
01:48Well, at least about that.
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